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@ -3,6 +3,326 @@
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#include "osd_primary.h"
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#define SELF_FD -1
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void osd_t::scrub_list(pool_pg_num_t pg_id, osd_num_t role_osd, object_id min_oid)
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{
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pool_id_t pool_id = pg_id.pool_id;
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pg_num_t pg_num = pg_id.pg_num;
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assert(!scrub_list_op);
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if (role_osd == this->osd_num)
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{
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// Self
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osd_op_t *op = new osd_op_t();
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op->op_type = 0;
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op->peer_fd = SELF_FD;
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clock_gettime(CLOCK_REALTIME, &op->tv_begin);
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op->bs_op = new blockstore_op_t();
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op->bs_op->opcode = BS_OP_LIST;
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op->bs_op->pg_alignment = st_cli.pool_config[pool_id].pg_stripe_size;
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if (min_oid.inode != 0 || min_oid.stripe != 0)
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op->bs_op->min_oid = min_oid;
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else
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op->bs_op->min_oid.inode = ((uint64_t)pool_id << (64 - POOL_ID_BITS));
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op->bs_op->max_oid.inode = ((uint64_t)(pool_id+1) << (64 - POOL_ID_BITS)) - 1;
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op->bs_op->max_oid.stripe = UINT64_MAX;
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op->bs_op->list_stable_limit = scrub_list_limit;
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op->bs_op->pg_count = pg_counts[pool_id];
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op->bs_op->pg_number = pg_num-1;
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op->bs_op->callback = [this, op](blockstore_op_t *bs_op)
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{
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scrub_list_op = NULL;
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if (op->bs_op->retval < 0)
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{
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printf("Local OP_LIST failed: retval=%d\n", op->bs_op->retval);
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force_stop(1);
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return;
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}
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add_bs_subop_stats(op);
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scrub_cur_list = {
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.buf = (obj_ver_id*)op->bs_op->buf,
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.total_count = (uint64_t)op->bs_op->retval,
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.stable_count = op->bs_op->version,
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};
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delete op->bs_op;
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op->bs_op = NULL;
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delete op;
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continue_scrub();
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};
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scrub_list_op = op;
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bs->enqueue_op(op->bs_op);
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}
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else
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{
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// Peer
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osd_op_t *op = new osd_op_t();
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op->op_type = OSD_OP_OUT;
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op->peer_fd = msgr.osd_peer_fds.at(role_osd);
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op->req = (osd_any_op_t){
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.sec_list = {
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.header = {
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.magic = SECONDARY_OSD_OP_MAGIC,
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.id = msgr.next_subop_id++,
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.opcode = OSD_OP_SEC_LIST,
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},
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.list_pg = pg_num,
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.pg_count = pg_counts[pool_id],
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.pg_stripe_size = st_cli.pool_config[pool_id].pg_stripe_size,
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.min_inode = min_oid.inode ? min_oid.inode : ((uint64_t)(pool_id) << (64 - POOL_ID_BITS)),
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.max_inode = ((uint64_t)(pool_id+1) << (64 - POOL_ID_BITS)) - 1,
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.min_stripe = min_oid.stripe,
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.stable_limit = scrub_list_limit,
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},
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};
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op->callback = [this, role_osd](osd_op_t *op)
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{
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scrub_list_op = NULL;
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if (op->reply.hdr.retval < 0)
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{
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printf("Failed to get object list from OSD %lu (retval=%ld), disconnecting peer\n", role_osd, op->reply.hdr.retval);
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int fail_fd = op->peer_fd;
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delete op;
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msgr.stop_client(fail_fd);
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return;
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}
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scrub_cur_list = {
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.buf = (obj_ver_id*)op->buf,
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.total_count = (uint64_t)op->reply.hdr.retval,
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.stable_count = op->reply.sec_list.stable_count,
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};
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// set op->buf to NULL so it doesn't get freed
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op->buf = NULL;
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delete op;
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continue_scrub();
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};
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scrub_list_op = op;
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msgr.outbox_push(op);
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}
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}
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bool osd_t::pick_next_scrub(object_id & next_oid)
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{
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if (!pgs.size())
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{
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if (scrub_cur_list.buf)
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{
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free(scrub_cur_list.buf);
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scrub_cur_list = {};
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scrub_last_pg = {};
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}
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return false;
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}
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timespec tv_now;
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clock_gettime(CLOCK_REALTIME, &tv_now);
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bool rescan = scrub_last_pg.pool_id != 0 || scrub_last_pg.pg_num != 0;
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// Restart scanning from the same PG as the last time
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auto pg_it = pgs.lower_bound(scrub_last_pg);
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while (pg_it != pgs.end())
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{
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if (pg_it->second.state & PG_ACTIVE)
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{
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auto & pool_cfg = st_cli.pool_config.at(pg_it->first.pool_id);
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auto interval = pool_cfg.scrub_interval ? pool_cfg.scrub_interval : global_scrub_interval;
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if (pg_it->second.scrub_ts < tv_now.tv_sec-interval)
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{
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// Continue scrubbing from the next object
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if (scrub_last_pg == pg_it->first)
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{
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while (scrub_list_pos < scrub_cur_list.total_count)
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{
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auto oid = scrub_cur_list.buf[scrub_list_pos].oid;
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oid.stripe &= ~STRIPE_MASK;
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scrub_list_pos++;
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if (recovery_ops.find(oid) == recovery_ops.end() &&
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scrub_ops.find(oid) == scrub_ops.end())
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{
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next_oid = oid;
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if (!(pg_it->second.state & PG_SCRUBBING))
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{
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// Currently scrubbing this PG
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pg_it->second.state = pg_it->second.state | PG_SCRUBBING;
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report_pg_state(pg_it->second);
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}
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return true;
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}
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}
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}
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if (scrub_last_pg == pg_it->first &&
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scrub_cur_list.total_count && scrub_list_pos >= scrub_cur_list.total_count &&
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scrub_cur_list.stable_count < scrub_list_limit)
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{
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// End of the list, mark this PG as scrubbed and go to the next PG
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}
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else
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{
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// Continue listing
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object_id scrub_last_oid;
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if (scrub_last_pg != pg_it->first)
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scrub_last_oid = (object_id){};
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else if (scrub_cur_list.stable_count > 0)
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{
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scrub_last_oid = scrub_cur_list.buf[scrub_cur_list.stable_count-1].oid;
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scrub_last_oid.stripe++;
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}
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osd_num_t scrub_osd = 0;
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for (osd_num_t pg_osd: pg_it->second.cur_set)
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{
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if (pg_osd == this->osd_num || scrub_osd == 0)
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scrub_osd = pg_osd;
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}
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if (!(pg_it->second.state & PG_SCRUBBING))
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{
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// Currently scrubbing this PG
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pg_it->second.state = pg_it->second.state | PG_SCRUBBING;
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report_pg_state(pg_it->second);
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}
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if (scrub_cur_list.buf)
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{
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free(scrub_cur_list.buf);
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scrub_cur_list = {};
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scrub_last_oid = {};
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}
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scrub_last_pg = pg_it->first;
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scrub_list(pg_it->first, scrub_osd, scrub_last_oid);
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return true;
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}
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}
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if (pg_it->second.state & PG_SCRUBBING)
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{
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pg_it->second.scrub_ts = tv_now.tv_sec;
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pg_it->second.state = pg_it->second.state & ~PG_SCRUBBING;
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pg_it->second.history_changed = true;
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report_pg_state(pg_it->second);
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schedule_scrub(pg_it->second);
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}
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// The list is definitely not needed anymore
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if (scrub_cur_list.buf)
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{
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free(scrub_cur_list.buf);
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scrub_cur_list = {};
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}
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}
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pg_it++;
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if (pg_it == pgs.end() && rescan)
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{
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// Scan one more time to guarantee that there are no PGs to scrub
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pg_it = pgs.begin();
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rescan = false;
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}
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}
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// Scanned all PGs - no more scrubs to do
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return false;
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}
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void osd_t::submit_scrub_op(object_id oid)
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{
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auto osd_op = new osd_op_t();
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osd_op->op_type = OSD_OP_OUT;
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osd_op->req = (osd_any_op_t){
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.rw = {
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.header = {
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.magic = SECONDARY_OSD_OP_MAGIC,
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.id = 1,
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.opcode = OSD_OP_SCRUB,
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},
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.inode = oid.inode,
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.offset = oid.stripe,
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.len = 0,
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},
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};
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if (log_level > 2)
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{
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printf("Submitting scrub for %lx:%lx\n", oid.inode, oid.stripe);
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}
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osd_op->callback = [this](osd_op_t *osd_op)
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{
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object_id oid = { .inode = osd_op->req.rw.inode, .stripe = osd_op->req.rw.offset };
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if (osd_op->reply.hdr.retval < 0 && osd_op->reply.hdr.retval != -ENOENT)
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{
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// Scrub error
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printf(
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"Scrub failed with object %lx:%lx (PG %u/%u): error %ld\n",
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oid.inode, oid.stripe, INODE_POOL(oid.inode),
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map_to_pg(oid, st_cli.pool_config.at(INODE_POOL(oid.inode)).pg_stripe_size),
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osd_op->reply.hdr.retval
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);
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}
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else if (log_level > 2)
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{
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printf("Scrubbed %lx:%lx OK\n", oid.inode, oid.stripe);
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}
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delete osd_op;
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if (scrub_sleep_ms)
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{
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this->tfd->set_timer(scrub_sleep_ms, false, [this, oid](int timer_id)
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{
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scrub_ops.erase(oid);
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continue_scrub();
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});
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}
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else
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{
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scrub_ops.erase(oid);
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continue_scrub();
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}
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};
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scrub_ops[oid] = osd_op;
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exec_op(osd_op);
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}
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// Triggers scrub requests
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// Scrub reads data from all replicas and compares it
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// To scrub first we need to read objects listings
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bool osd_t::continue_scrub()
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{
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if (scrub_list_op)
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{
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return true;
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}
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while (scrub_ops.size() < scrub_queue_depth)
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{
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object_id oid;
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if (pick_next_scrub(oid))
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submit_scrub_op(oid);
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else
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return false;
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}
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return true;
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}
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void osd_t::schedule_scrub(pg_t & pg)
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{
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auto & pool_cfg = st_cli.pool_config.at(pg.pool_id);
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auto interval = pool_cfg.scrub_interval ? pool_cfg.scrub_interval : global_scrub_interval;
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if (!scrub_nearest_ts || scrub_nearest_ts > pg.scrub_ts+interval)
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{
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scrub_nearest_ts = pg.scrub_ts+interval;
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timespec tv_now;
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clock_gettime(CLOCK_REALTIME, &tv_now);
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if (scrub_timer_id >= 0)
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{
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tfd->clear_timer(scrub_timer_id);
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scrub_timer_id = -1;
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}
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if (tv_now.tv_sec > scrub_nearest_ts)
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{
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scrub_nearest_ts = 0;
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peering_state = peering_state | OSD_SCRUBBING;
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ringloop->wakeup();
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}
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else
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|
|
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{
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|
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scrub_timer_id = tfd->set_timer((scrub_nearest_ts-tv_now.tv_sec)*1000, false, [this](int timer_id)
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|
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|
{
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|
|
|
|
scrub_timer_id = -1;
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|
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scrub_nearest_ts = 0;
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|
|
|
peering_state = peering_state | OSD_SCRUBBING;
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|
|
|
|
ringloop->wakeup();
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|
|
|
|
});
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|
|
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|
}
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|
|
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}
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|
|
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}
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|
|
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|
void osd_t::continue_primary_scrub(osd_op_t *cur_op)
|
|
|
|
|
{
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|
|
|
|
if (!cur_op->op_data && !prepare_primary_rw(cur_op))
|
|
|
|
|
|
