<div dir="ltr"> <div class="gmail_extra"> <div class="gmail_quote">2016-03-05 0:01 GMT+08:00 Freddie Cash <<a href="mailto:fjwcash@gmail.com" target="_blank">fjwcash@gmail.com</a>>: <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">On Mar 4, 2016 2:05 AM, "Fred Liu" <<a href="mailto:fred.fliu@gmail.com" target="_blank">fred.fliu@gmail.com</a>> wrote: > 2016-03-04 13:47 GMT+08:00 Freddie Cash <<a href="mailto:fjwcash@gmail.com" target="_blank">fjwcash@gmail.com</a>>: >> >> Currently, I just use a simple coordinate system. Columns are letters, rows are numbers. >> "<a href="mailto:smartos-discuss@lists.smartos.org">smartos-discuss@lists.smartos.org</a>" <<a href="mailto:smartos-discuss@lists.smartos.org">smartos-discuss@lists.smartos.org</a>>、developer <<a href="mailto:developer@open-zfs.org">developer@open-zfs.org</a>>、illumos-developer <<a href="mailto:developer@lists.illumos.org">developer@lists.illumos.org</a>>、omnios-discuss <<a href="mailto:omnios-discuss@lists.omniti.com">omnios-discuss@lists.omniti.com</a>>、Discussion list for OpenIndiana <<a href="mailto:openindiana-discuss@openindiana.org">openindiana-discuss@openindiana.org</a>>、illumos-zfs <<a href="mailto:zfs@lists.illumos.org">zfs@lists.illumos.org</a>>、"<a href="mailto:zfs-discuss@list.zfsonlinux.org">zfs-discuss@list.zfsonlinux.org</a>" <<a href="mailto:zfs-discuss@list.zfsonlinux.org">zfs-discuss@list.zfsonlinux.org</a>>、"freebsd-fs@FreeBSD.org" <<a href="mailto:freebsd-fs@freebsd.org">freebsd-fs@freebsd.org</a>>、"<a href="mailto:zfs-devel@freebsd.org">zfs-devel@freebsd.org</a>" <<a href="mailto:zfs-devel@freebsd.org">zfs-devel@freebsd.org</a>> >> 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? <div style="font-family:'courier new',monospace;display:inline">When putting the system together for the first time, I insert each disk one at a time, wait for it to be detected, partition it, then label it based on physical location. Then do the next one. It's just part of the normal server build process, whether it has 2 drives, 20 drives, or 200 drives.</div> <div style="font-family:'courier new',monospace;display:inline">We build all our own servers from off-the-shelf parts; we don't buy anything pre-built from any of the large OEMs.</div></div></blockquote><div> </div><div>[Fred]: Gotcha!</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">>> The pool is created using the GPT labels, so the label shows in "zpool list" output. > > [Fred]: What will the output look like? <div style="font-family:'courier new',monospace;display:inline">From our smaller backups server, with just 24 drive bays:</div>$ zpool status storage<div style="display:inline"> pool: storage state: ONLINEstatus: 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 2016config: 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<div> </div><div>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).</div></div></div></blockquote><div> </div><div>[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.</div><div> </div><div>Thanks,</div><div> </div><div>Fred </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div style="display:inline"></div> </div><div bgcolor="#ffffff" style="width:auto;margin:0px;padding:5px;clear:both;border-top-width:1px;border-top-style:solid;border-top-color:rgb(204,204,204);background-color:rgb(255,255,255)"><table bgcolor="#ffffff" border="0" cellpadding="0" cellspacing="0" style="background-color:rgb(255,255,255)" width="100%"><tbody><tr><td> illumos-zfs | <a href="https://www.listbox.com/member/archive/182191/=now" style="text-decoration:none;color:rgb(102,153,51);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(68,68,68)" title="Go to archives for illumos-zfs" target="_blank">Archives</a> <a border="0" href="https://www.listbox.com/member/archive/rss/182191/22147814-d504851f" style="text-decoration:none;color:rgb(102,153,51)" title="RSS feed for illumos-zfs" target="_blank"><img border="0" src="http://postlink.www.listbox.com/2073738/833487e62783d55fe81f119fb93ef644/22147814/cdaed36a.jpg?uri=aHR0cHM6Ly93d3cubGlzdGJveC5jb20vaW1hZ2VzL2ZlZWQtaWNvbi0xMHgxMC5qcGc"></a> | <a href="https://www.listbox.com/member/?member_id=22147814&id_secret=22147814-a72bcb8a" style="text-decoration:none;color:rgb(102,153,51);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(68,68,68)" title="" target="_blank">Modify</a> Your Subscription</td><td align="right" valign="top"><a href="http://www.listbox.com" style="border-bottom-style:none" target="_blank"> <img border="0" src="http://postlink.www.listbox.com/2073739/3379085af0f1cf7fc3708f04b4471ae2/22147814/cdaed36a.png?uri=aHR0cHM6Ly93d3cubGlzdGJveC5jb20vaW1hZ2VzL2xpc3Rib3gtbG9nby1zbWFsbC5wbmc" title="Powered by Listbox"></a></td></tr></tbody></table></div></blockquote></div> </div></div>