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c85ac731a0
When resilvering the estimated time remaining is calculated using the average issue rate over the current pass. Where the current pass starts when a scan was started, or restarted, if the pool was exported/imported. For dRAID pools in particular this can result in wildly optimistic estimates since the issue rate will be very high while scanning when non-degraded regions of the pool are scanned. Once repair I/O starts being issued performance drops to a realistic number but the estimated performance is still significantly skewed. To address this we redefine a pass such that it starts after a scanning phase completes so the issue rate is more reflective of recent performance. Additionally, the zfs_scan_report_txgs module option can be set to reset the pass statistics more often. Reviewed-by: Akash B <akash-b@hpe.com> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #14410 |
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| .. | ||
| raidz_test | ||
| zdb | ||
| zed | ||
| zfs | ||
| zinject | ||
| zpool | ||
| zpool_influxdb | ||
| zstream | ||
| arc_summary | ||
| arcstat.in | ||
| dbufstat.in | ||
| fsck.zfs.in | ||
| Makefile.am | ||
| mount_zfs.c | ||
| zfs_ids_to_path.c | ||
| zgenhostid.c | ||
| zhack.c | ||
| zilstat.in | ||
| ztest.c | ||
| zvol_wait | ||