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84 Commits (7fea69ff5f2a4ce6046569838d4809b98ceedda2)

Author SHA1 Message Date
Vitaliy Filippov bb2f395f1e Add cutoff threshold for recovery auto-tuning 2024-02-11 16:13:52 +03:00
Vitaliy Filippov d2b43cb118 Change default etcd_mon_ttl 2024-01-29 23:45:19 +03:00
Vitaliy Filippov 1c322b33ed Change default up_wait_retry_interval to 50 ms 2024-01-26 01:51:08 +03:00
Vitaliy Filippov 80aac39513 Add detailed formula for theoretical EC N+K random write performance 2024-01-18 00:36:32 +03:00
Vitaliy Filippov 317b0feb0a Add a note about VDUSE daemon auto-restart 2024-01-12 01:27:36 +03:00
Vitaliy Filippov 2f6b9c0306 Remove etcd parameter from default command examples 2023-12-31 02:50:41 +03:00
Vitaliy Filippov c17f76a3e4 Add documentation for recovery auto-tuning 2023-12-31 01:23:17 +03:00
Vitaliy Filippov aca2bef15f Add vitastor-disk update-sb command 2023-12-14 01:11:42 +03:00
Vitaliy Filippov 4dd6e89263 Change qemu to qemu-system-x86 in docs 2023-12-14 01:01:00 +03:00
Vitaliy Filippov fa87769ed8 Correct config options in vduse docs 2023-12-06 02:09:04 +03:00
Vitaliy Filippov c8a179dcda Note that Proxmox 8.1 is supported 2023-12-04 02:20:33 +03:00
Vitaliy Filippov 53de2bbd0f Support VDUSE in CSI
VDUSE has multiple advantages:
- Better performance
- Lack of timeout problems
- And even the ability to recover after restart of the vitastor-csi pod!
2023-12-04 00:41:24 +03:00
Vitaliy Filippov 628aa59574 Raise default NBD timeout from 30 to 300 seconds and allow to take it from /etc/vitastor/vitastor.conf 2023-12-02 14:11:14 +03:00
Vitaliy Filippov bfc7e61909 Add more notes + performance comparison about VDUSE 2023-11-25 02:25:56 +03:00
Vitaliy Filippov 225eb2fe3d Support RDMA without ODP by stupidly copying memory. Disable ODP by default
ODP is slower than regular RDMA even with memory copy overhead

Example numbers:
- 3950000 random read iops without ODP vs 240000 iops with ODP
- 1447000 random write iops without ODP vs 101000 iops with ODP

Reference: https://tkygtr6.github.io/pub/ISPASS21_slides.pdf
2023-11-12 15:03:47 +03:00
Vitaliy Filippov 371d79e059 Document vitastor-csi features 2023-11-05 01:05:26 +03:00
Vitaliy Filippov 06630369bf Plans++ 2023-10-28 13:38:04 +03:00
Vitaliy Filippov eae81bbda6 Fix typo 2023-10-28 01:09:20 +03:00
Vitaliy Filippov a883e79507 Make docs to add etcd_stats_interval 2023-10-27 14:09:26 +03:00
Vitaliy Filippov be7e76f849 Split etcd_stats_interval out of etcd_report_interval 2023-10-27 01:26:26 +03:00
Vitaliy Filippov 6fd2cf5df6 Add documentation for the write-back cache 2023-10-27 01:26:26 +03:00
Vitaliy Filippov fbf0263625 Add qemu-storage-daemon to documentation 2023-09-16 18:40:52 +03:00
Vitaliy Filippov ff479a102d Make MON filter OSDs by block layout to prevent "refusing to start PGs of this pool" errors on misconfiguration 2023-09-16 17:52:17 +03:00
Vitaliy Filippov 7333022adf Add a third I/O mode: O_DIRECT|O_SYNC, change parameters to data_io/meta_io/journal_io 2023-08-09 00:57:08 +03:00
Vitaliy Filippov 6f797f429e Add a note about -oldstable 2023-07-29 18:11:13 +03:00
Vitaliy Filippov b8a1734465 Reword checksum docs one more time 2023-07-29 14:42:56 +03:00
Vitaliy Filippov c752b68167 Remove "without checksums" from docs :) 2023-07-29 12:19:03 +03:00
Vitaliy Filippov 564df2eb5d Support using buffered I/O with O_SYNC instead of direct I/O 2023-07-29 12:17:18 +03:00
Vitaliy Filippov 21b5124a4b Document data_csum_type and csum_block_size parameters 2023-07-29 12:17:18 +03:00
Vitaliy Filippov 272a45ad63 Fix modprobe command in docs 2023-07-27 23:57:02 +03:00
Vitaliy Filippov dfce91d168 Change git url in docs, correct block/vitastor.c path 2023-07-19 01:02:12 +03:00
Vitaliy Filippov a0aac7eb2a Update drives 2023-07-13 01:49:45 +03:00
Vitaliy Filippov ee0c78fd74 Fix default HDD block size in docs (actual size is 1 MB) 2023-07-09 13:12:30 +03:00
Vitaliy Filippov ae69662b17 Add "Recommended drives" 2023-07-09 12:59:18 +03:00
Vitaliy Filippov 57ad4c3636 Add a note about HDD, enable throttling only for hybrid OSDs 2023-07-09 12:45:11 +03:00
Vitaliy Filippov 57bcba2406 Add notes about VDUSE 2023-07-04 16:51:46 +03:00
Vitaliy Filippov a598428992 Add a note about PVE 8.0 2023-06-24 01:29:28 +03:00
Vitaliy Filippov 7c8fbdad16 Fix typo 2023-06-22 02:07:33 +03:00
Vitaliy Filippov 2f9353df60 Markdown preprocessor to compile multiple .md files into one 2023-06-22 01:27:38 +03:00
Vitaliy Filippov 57c744f288 Fix some cross-references in docs 2023-06-22 01:16:03 +03:00
Vitaliy Filippov 2c8f0bc6d5 Add a note about Debian 12 2023-06-19 01:08:41 +03:00
Vitaliy Filippov 3f60fecd7c Fix typo 2023-05-21 18:37:01 +03:00
Vitaliy Filippov aea567cfbd Slightly improve scrub docs 2023-05-21 12:52:30 +03:00
Vitaliy Filippov ce02f47de6 Allow to disable scrub_find_best 2023-05-21 12:33:38 +03:00
Vitaliy Filippov 5fd3208616 Add version archive link to docs 2023-05-21 11:47:33 +03:00
Vitaliy Filippov 8d40ad99a6 Add scrub documentation 2023-05-20 23:19:39 +03:00
Vitaliy Filippov 3475772b07 Add configuration online update documentation 2023-05-20 23:19:39 +03:00
Vitaliy Filippov e60e352df6 Improve vitastor-nbd documentation 2023-05-20 22:58:51 +03:00
Vitaliy Filippov 93eca11ba2 Fix rhel 9 installation docs 2023-05-15 13:09:18 +03:00
Vitaliy Filippov d9c0898b7c Notes about config and vitastor-disk cache status 2023-04-29 00:08:24 +03:00