Date: Fri, 2 Nov 2018 14:54:56 +0100 From: Andreas Nilsson <andrnils@gmail.com> To: Miroslav Lachman <000.fbsd@quip.cz> Cc: freebsd-fs@freebsd.org Subject: Re: zpool scrub 9TB finishes in ~40 mins Message-ID: <CAPS9%2BStoKHZaTKvBQ%2BMBpGk64qZ-%2BsNs6%2BA8PN9iChcB2w=M8g@mail.gmail.com> In-Reply-To: <d073e2c5-38f8-c152-b37a-f7e6e08f520b@quip.cz> References: <5BDC3DF5.9020501@andyit.com.au> <d073e2c5-38f8-c152-b37a-f7e6e08f520b@quip.cz>
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On Fri, Nov 2, 2018 at 2:22 PM Miroslav Lachman <000.fbsd@quip.cz> wrote: > Andy Farkas wrote on 2018/11/02 13:07: > > > # zpool status z > > pool: z > > state: ONLINE > > status: One or more devices has experienced an error resulting in data > > corruption. Applications may be affected. > > action: Restore the file in question if possible. Otherwise restore the > > entire pool from backup. > > see: http://illumos.org/msg/ZFS-8000-8A > > scan: scrub in progress since Fri Nov 2 16:59:24 2018 > > 365G scanned out of 11.9T at 228M/s, 14h47m to go > > 2.47M repaired, 2.99% done > > I definitely need this speed of scrub! 238M/s is awesome. > I have RAIDZ from 4x ST4000VN000-1H4168 SC43 and the speed of scrub is > about 20MB/s. > > Scrub takes more than week to finish: > > pool: tank0 > state: ONLINE > status: Some supported features are not enabled on the pool. The pool can > still be used, but some features are unavailable. > action: Enable all features using 'zpool upgrade'. Once this is done, > the pool may no longer be accessible by software that does not > support > the features. See zpool-features(7) for details. > scan: scrub repaired 0 in 262h56m with 0 errors on Sun Sep 16 > 02:04:25 2018 > config: > > NAME STATE READ WRITE CKSUM > tank0 ONLINE 0 0 0 > raidz1-0 ONLINE 0 0 0 > gpt/disk0tank0 ONLINE 0 0 0 > gpt/disk1tank0 ONLINE 0 0 0 > gpt/disk2tank0 ONLINE 0 0 0 > gpt/disk3tank0 ONLINE 0 0 0 > > This is on HP ProLiant ML 110 G5 (very old machine) with only 5GB of RAM. > > Miroslav Lachman > As a data point I can add: $ zpool status storage-0 pool: storage-0 state: ONLINE scan: scrub in progress since Fri Nov 2 14:39:55 2018 293G scanned out of 2.85T at 424M/s, 1h45m to go 0 repaired, 10.06% done config: NAME STATE READ WRITE CKSUM storage-0 ONLINE 0 0 0 raidz1-0 ONLINE 0 0 0 gpt/store-00 ONLINE 0 0 0 gpt/store-01 ONLINE 0 0 0 gpt/store-02 ONLINE 0 0 0 gpt/store-03 ONLINE 0 0 0 Speed is till increasing. This is on an old supermicro with CPU: Intel(R) Core(TM) i3-2100 CPU @ 3.10GHz and 8 gb of ram with and ST2000LM015-2E8174 SDM1 2.5'' spinning rust connected to the ahci0: <Intel Cougar Point AHCI SATA controller> Best regards Andreas
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