Allow to forcibly set meta_format
parent
874a766b62
commit
de48fa3fd2
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@ -44,6 +44,7 @@ void blockstore_disk_t::parse_config(std::map<std::string, std::string> & config
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journal_block_size = parse_size(config["journal_block_size"]);
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meta_block_size = parse_size(config["meta_block_size"]);
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bitmap_granularity = parse_size(config["bitmap_granularity"]);
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meta_format = stoull_full(config["meta_format"]);
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if (config["data_csum_type"] == "crc32c")
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{
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data_csum_type = BLOCKSTORE_CSUM_CRC32C;
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@ -191,27 +192,29 @@ void blockstore_disk_t::calc_lengths(bool skip_meta_check)
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// required metadata size
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block_count = data_len / data_block_size;
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meta_len = (1 + (block_count - 1 + meta_block_size / clean_entry_size) / (meta_block_size / clean_entry_size)) * meta_block_size;
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if (!skip_meta_check && meta_area_size < meta_len)
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{
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if (!data_csum_type && !meta_format)
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if (meta_format == BLOCKSTORE_META_FORMAT_V1 ||
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!meta_format && !skip_meta_check && meta_area_size < meta_len && !data_csum_type)
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{
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uint64_t clean_entry_v0_size = sizeof(clean_disk_entry) + 2*clean_entry_bitmap_size;
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uint64_t meta_v0_len = (1 + (block_count - 1 + meta_block_size / clean_entry_v0_size)
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/ (meta_block_size / clean_entry_v0_size)) * meta_block_size;
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if (meta_area_size >= meta_v0_len)
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if (meta_format == BLOCKSTORE_META_FORMAT_V1 || meta_area_size >= meta_v0_len)
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{
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// Old metadata fits.
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printf("Warning: Forcing metadata format without checksums because the new format doesn't fit into provided area\n");
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printf("Warning: Using old metadata format without checksums because the new format doesn't fit into provided area\n");
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clean_entry_size = clean_entry_v0_size;
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meta_len = meta_v0_len;
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meta_format = BLOCKSTORE_META_FORMAT_V1;
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}
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else
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meta_format = BLOCKSTORE_META_FORMAT_V2;
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}
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if (meta_area_size < meta_len)
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else
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meta_format = BLOCKSTORE_META_FORMAT_V2;
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if (!skip_meta_check && meta_area_size < meta_len)
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{
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throw std::runtime_error("Metadata area is too small, need at least "+std::to_string(meta_len)+" bytes");
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}
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}
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// requested journal size
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if (!skip_meta_check && cfg_journal_size > journal_len)
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{
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@ -80,15 +80,18 @@ resume_1:
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blockstore_meta_header_v2_t *hdr = (blockstore_meta_header_v2_t *)metadata_buffer;
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hdr->zero = 0;
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hdr->magic = BLOCKSTORE_META_MAGIC_V1;
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hdr->version = BLOCKSTORE_META_FORMAT_V2;
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hdr->version = bs->dsk.meta_format;
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hdr->meta_block_size = bs->dsk.meta_block_size;
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hdr->data_block_size = bs->dsk.data_block_size;
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hdr->bitmap_granularity = bs->dsk.bitmap_granularity;
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if (bs->dsk.meta_format >= BLOCKSTORE_META_FORMAT_V2)
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{
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hdr->data_csum_type = bs->dsk.data_csum_type;
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hdr->csum_block_size = bs->dsk.csum_block_size;
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hdr->header_csum = 0;
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hdr->header_csum = crc32c(0, hdr, sizeof(*hdr));
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}
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}
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if (bs->readonly)
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{
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printf("Skipping metadata initialization because blockstore is readonly\n");
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@ -123,14 +126,6 @@ resume_1:
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);
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exit(1);
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}
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if (bs->dsk.meta_format && bs->dsk.meta_format != hdr->version)
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{
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printf(
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"Metadata format version is %lu on disk, but %lu is currently selected in OSD configuration.\n"
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" Please upgrade using vitastor-disk.\n", hdr->version, bs->dsk.meta_format
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);
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exit(1);
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}
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if (hdr->version == BLOCKSTORE_META_FORMAT_V2)
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{
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uint32_t csum = hdr->header_csum;
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