for normal-ish filesystem usage, ZFS is ram-hungry but not ram-insane.
Just don't turn on deduplication and you'll be fine with a few GB of RAM.
More importantly though, it's unlikely that you'll be able to transfer
your pool without (temporarily) having enough disk to store two
copies. You might dork around with pulling out one of your raid5 disks
as the start of your new zfs pool, but that is risky. make sure to do a
scrub on the raid5 before you do that.
It sounds like an awful lot of hassle just to be rid of systemd. I am
not a fan either, but the "big four" linux distros all switched to it -
unless you plan to give up on linux altogether you might as well get
used to it.
Pasi Koivisto <mailto:[email protected]>
March 14, 2016 at 8:48 AM
It might be possible to setup Linux with ZFS, create a zpool (1 disk
might be enough for the transfer) and copy over the bpc pool. Export
that zpool, setup FreeBSD and import the zpool.
Make sure you have plenty of ram as ZFS works better the more ram it has.
/P
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Brad Alexander <mailto:[email protected]>
March 13, 2016 at 9:11 PM
I'm getting kinda frustrated with the entire systemd thing on linux,.
So what I'm wondering is what the procedure is (if it is possible) to
convert the OS from Linux to FreeBSD, and converting the base
filesystem to ZFS, preferably without losing my pool. The hardware in
question is a Dell PE1850. If I'm going to use ZFS, I will convert the
RAID 5 array to JBOD. Any other sage advice from folks running
backuppc on FreeBSD?
As I type this, I suspect I am going to lose my pool, so I should
probably archive the older backups. Is there any way to re-import them
into the pool after the conversion is done?
Thanks,
--b
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--
Dan Pritts
ICPSR Computing & Network Services
University of Michigan
+1 (734) 615-9529
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