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Content-Language: en-AU To: gentoo-user@lists.gentoo.org References: <126df924-08aa-28f5-d481-6b76c841cfc3@gmail.com> From: William Kenworthy In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Archives-Salt: 226b0678-68a0-48cd-b743-9f5bc34d4398 X-Archives-Hash: 47d3bd19c14cfae3fbc26ecde05a4314 Oh, forgot to mention the "this could be you" photo in that link :) BillK On 7/9/23 11:24, William Kenworthy wrote: > > On 7/9/23 11:09, Dale wrote: >> Frank Steinmetzger wrote: >>> Am Wed, Sep 06, 2023 at 02:45:11PM -0500 schrieb Dale: >>> >>>> Oh, creating a >>>> vdev was the trick.  Once that is done, expand the pool. It's one of >>>> those, once it is done, it seems easy.  ROFL >>> Note that people used to shoot themselves in the foot when lazily >>> (or by >>> accident) adding a single disk to an existing pool. If that pool was >>> composed of RAID vdevs, then now they had a non-redundant single >>> disk in >>> that pool and it was not possible to remove a vdev from a pool! That >>> single-disk vdev could only be converted to a mirror to at least get >>> redundancy back. >>> >>> The only proper solution was to destroy the pool and start from >>> scratch. By now there is a partial remedy, in that it is possible to >>> remove mirror vdevs from a pool. But no RAIDs: >>> https://forum.level1techs.com/t/solved-how-to-remove-vdev-from-zpool/192044/5 >>> >>> https://arstechnica.com/civis/threads/performance-when-removing-zfs-vdevs-with-zpool-remove.1481148/post-40491873 >>> >>> And you get some left-over metadata about the removed vdev. >> That's good to see.  I'll bookmark those links for the future. At least >> this is doable.  If I do mess up, I could just start over.  It only >> takes about 10 days to copy over again.  o_O >> >>>> I guess vdev is like LVMs pv, physical volume I think it is. >>> Haven’t we had this topic before? At least twice? Including the >>> comparison between >>> the three layers of LVM with their equivalent in ZFS land. ;-) >>> >>> ZFS is more meant for static setups, not constantly changing disk >>> loadouts >>> of varying disk sizes. >>> >> We may have but being more familiar with LVM, I try to sort of make it >> make sense to me.  Honestly, ZFS doesn't really make sense, yet.  My >> understanding, it has two layers instead of three.  I think.  If there >> was a NAS thing like TrueNAS that used LVM instead, I'd be all over it. >> I likely would have never used TrueNAS at all.  If I found one, I'd >> switch faster than a lightning strike.  Even if it is done in GUI I'd >> switch.  Command line would be fine by me.  Honestly, once set up and a >> network is working, all I need is for it to boot, let me enter the >> encryption password and me able to mount the thing from my main rig.  Of >> course, shutdown when done as well. >> >> Then it may be best for me to consider other options. I'm always adding, >> swapping out or otherwise moving things around.  That is one thing I >> like about LVM.  The only thing I try to avoid, shrinking a file >> system.  I use ext4 so it is doable as long as there is enough space but >> still, I try to avoid it.  I may have done that once, maybe. >> >> At least I got it done now.  Updating my backups went faster than >> expected.  Already done and drives are back in the safe.  Since I have >> three drives in the little cage and little room for air flow, I added a >> fan to the drive cage.  They got up to the 40's C pretty quick. Can't >> have them getting hot. >> >> Thanks to all. >> >> Dale >> >> :-)  :-) >> > Hi Dale, > > if you are feeling bored, google "gentoo NAS" and start reading. > Example: https://wiki.installgentoo.com/wiki/Home_server > > Home brew is the only way to go! > > BillK > > >> > > >