Date: Mon, 7 Mar 2016 13:30:18 +0800 From: Fred Liu <fred.fliu@gmail.com> To: illumos-zfs <zfs@lists.illumos.org> Cc: "smartos-discuss@lists.smartos.org" <smartos-discuss@lists.smartos.org>, developer <developer@open-zfs.org>, illumos-developer <developer@lists.illumos.org>, omnios-discuss <omnios-discuss@lists.omniti.com>, Discussion list for OpenIndiana <openindiana-discuss@openindiana.org>, "zfs-discuss@list.zfsonlinux.org" <zfs-discuss@list.zfsonlinux.org>, "freebsd-fs@FreeBSD.org" <freebsd-fs@freebsd.org>, "zfs-devel@freebsd.org" <zfs-devel@freebsd.org> Subject: Re: [zfs] an interesting survey -- the zpool with most disks you have ever built Message-ID: <CALi05Xyy3voKVHTR=bHSG5JszQBW4NC0=XL_C-YTQdwzBPwnag@mail.gmail.com> In-Reply-To: <CAOjFWZ6YvtpBf2J9F6OTGLh0UfRuBxiY6iF-gNFNAhv=QCB7YQ@mail.gmail.com> References: <95563acb-d27b-4d4b-b8f3-afeb87a3d599@me.com> <CACTb9pxJqk__DPN_pDy4xPvd6ETZtbF9y=B8U7RaeGnn0tKAVQ@mail.gmail.com> <CAJjvXiH9Wh%2BYKngTvv0XG1HtikWggBDwjr_MCb8=Rf276DZO-Q@mail.gmail.com> <56D87784.4090103@broken.net> <A5A6EA4AE9DCC44F8E7FCB4D6317B1D203178F1DD392@SH-MAIL.ISSI.COM> <CAOjFWZ5YcaAx-v5ZqsoFnHFB1jnvstpXpGObcfewMx75WU0TeQ@mail.gmail.com> <A5A6EA4AE9DCC44F8E7FCB4D6317B1D203178F1DD39E@SH-MAIL.ISSI.COM> <CAOjFWZ7E-LTvUy60UTe2Yi2Egw6%2BbrKZx3r70UbtJJ9haNL5Hg@mail.gmail.com> <CALi05Xwc3dKTsyuaSLeVQSptMp537XeLxXf6Pj%2B15jRtXKXCfA@mail.gmail.com> <CAOjFWZ6YvtpBf2J9F6OTGLh0UfRuBxiY6iF-gNFNAhv=QCB7YQ@mail.gmail.com>
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2016-03-05 0:01 GMT+08:00 Freddie Cash <fjwcash@gmail.com>: > On Mar 4, 2016 2:05 AM, "Fred Liu" <fred.fliu@gmail.com> wrote: > > 2016-03-04 13:47 GMT+08:00 Freddie Cash <fjwcash@gmail.com>: > >> > >> Currently, I just use a simple coordinate system. Columns are letters, > rows are numbers. > >> "smartos-discuss@lists.smartos.org" <smartos-discuss@lists.smartos.org > >=E3=80=81 > > developer <developer@open-zfs.org>=E3=80=81 > > illumos-developer <developer@lists.illumos.org>=E3=80=81 > > omnios-discuss <omnios-discuss@lists.omniti.com>=E3=80=81 > > Discussion list for OpenIndiana <openindiana-discuss@openindiana.org>=E3= =80=81 > > illumos-zfs <zfs@lists.illumos.org>=E3=80=81 > > "zfs-discuss@list.zfsonlinux.org" <zfs-discuss@list.zfsonlinux.org>=E3=80= =81 > > "freebsd-fs@FreeBSD.org" <freebsd-fs@freebsd.org>=E3=80=81 > > "zfs-devel@freebsd.org" <zfs-devel@freebsd.org> > > >> Each disk is partitioned using GPT with the first (only) partition > starting at 1 MB and covering the whole disk, and labelled with the > column/row where it is located (disk-a1, disk-g6, disk-p3, etc). > > > > [Fred]: So you manually pull off all the drives one by one to locate > them? > > =E2=80=8BWhen putting the system together for the first time, I insert ea= ch disk > one at a time, wait for it to be detected, partition it, then label it > based on physical location.=E2=80=8B Then do the next one. It's just pa= rt of the > normal server build process, whether it has 2 drives, 20 drives, or 200 > drives. > > =E2=80=8BWe build all our own servers from off-the-shelf parts; we don't = buy > anything pre-built from any of the large OEMs.=E2=80=8B > [Fred]: Gotcha! > >> The pool is created using the GPT labels, so the label shows in "zpool > list" output. > > > > [Fred]: What will the output look like? > > =E2=80=8BFrom our smaller backups server, with just 24 drive bays: > > $ zpool status storage > > pool: storage > > 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 canceled on Wed Feb 17 12:02:20 2016 > > config: > > > NAME STATE READ WRITE CKSUM > > storage ONLINE 0 0 0 > > raidz2-0 ONLINE 0 0 0 > > gpt/disk-a1 ONLINE 0 0 0 > > gpt/disk-a2 ONLINE 0 0 0 > > gpt/disk-a3 ONLINE 0 0 0 > > gpt/disk-a4 ONLINE 0 0 0 > > gpt/disk-a5 ONLINE 0 0 0 > > gpt/disk-a6 ONLINE 0 0 0 > > raidz2-1 ONLINE 0 0 0 > > gpt/disk-b1 ONLINE 0 0 0 > > gpt/disk-b2 ONLINE 0 0 0 > > gpt/disk-b3 ONLINE 0 0 0 > > gpt/disk-b4 ONLINE 0 0 0 > > gpt/disk-b5 ONLINE 0 0 0 > > gpt/disk-b6 ONLINE 0 0 0 > > raidz2-2 ONLINE 0 0 0 > > gpt/disk-c1 ONLINE 0 0 0 > > gpt/disk-c2 ONLINE 0 0 0 > > gpt/disk-c3 ONLINE 0 0 0 > > gpt/disk-c4 ONLINE 0 0 0 > > gpt/disk-c5 ONLINE 0 0 0 > > gpt/disk-c6 ONLINE 0 0 0 > > raidz2-3 ONLINE 0 0 0 > > gpt/disk-d1 ONLINE 0 0 0 > > gpt/disk-d2 ONLINE 0 0 0 > > gpt/disk-d3 ONLINE 0 0 0 > > gpt/disk-d4 ONLINE 0 0 0 > > gpt/disk-d5 ONLINE 0 0 0 > > gpt/disk-d6 ONLINE 0 0 0 > > cache > > gpt/cache0 ONLINE 0 0 0 > > gpt/cache1 ONLINE 0 0 0 > > > errors: No known data errors > > The 90-bay systems look the same, just that the letters go all the way to > p (so disk-p1 through disk-p6). And there's one vdev that uses 3 drives > from each chassis (7x 6-disk vdev only uses 42 drives of the 45-bay > chassis, so there's lots of spares if using a single chassis; using two > chassis, there's enough drives to add an extra 6-disk vdev). > [Fred]: It looks like the gpt label shown in "zpool status" only works in FreeBSD/FreeNAS. Are you using FreeBSD/FreeNAS? I can't find the similar possibilities in Illumos/Linux. Thanks, Fred > > *illumos-zfs* | Archives > <https://www.listbox.com/member/archive/182191/=3Dnow>; > <https://www.listbox.com/member/archive/rss/182191/22147814-d504851f>; | > Modify > <https://www.listbox.com/member/?member_id=3D22147814&id_secret=3D2214781= 4-a72bcb8a> > Your Subscription <http://www.listbox.com>; >
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