Thank you Aaron,
this atribut "small" is blocking point ... like you said it is hard to
find sata disk under 250G
I was also thinking about 2 x sata-dom 32G/64G for zfs boot ? Does it
make any sense (performance/relayibilty-wise?
Ok , today I'm gonna install PBS on 4x2T (disks, not ssds) zfs raid10
and create one new dataset in /rpool -> /rpool/databck ... So , the
PBS itself and datastore will reside on the same pool ... Then I'll
make some copmarison tests (backup/restore) and report back some
relevant results ... I'd like to avoid PBS on its own pool because
this SuperMicro 721 case has only 4 disk slots , a additional ones (2)
have to be connected directly to MB ...
'till then
BR
Tonci
srdačan pozdrav / best regards
Tonči Stipičević, dipl. ing. elektr.
direktor / manager
SUMA Informatika d.o.o., Badalićeva 27, OIB 93926415263
Podrška / Upravljanje IT sustavima za male i srednje tvrtke
Small & Medium Business IT Support / Management
mob: 091 1234003
www.suma-informatika.hr
On 07. 02. 2022. 09:44, Aaron Lauterer wrote:
A PBS datastore is just a directory somewhere.
If you set up the system on a RAID 10 and want to use that as well for
the datastore, I would create a new ZFS dataset for the datastore.
This allows you to change certain ZFS properties on that dataset
specifically.
There are a few things to consider if you want to have the OS on the
same disks as the datastore.
How fast are the disks? HDDs or SSDs?
If they are HDDs, then having the OS on separate disks is a good idea
because HDDs will already be having a hard time to provide the IOPS
for decent performance. If they are *decent* SSDs, you should be fine.
No idea how easy it is to get stuff in Croatia, but this should give
you some ideas:
https://geizhals.eu/?cat=hdssd&xf=2028_256~4643_Power-Loss+Protection~4832_1~4836_2&sort=r
250 GiB is plenty of the OS, but anything smaller is hard to find or
of dubious quality ;)
Cheers,
Aaron
On 2/7/22 01:10, Tonči Stipičević wrote:
I'm planning to use SUPERMICRO 721 box (4 x 2T sata) as PBS
So, if I create zfs10 raid as boot drive , I have no more disks left
for datastore, right ?
BUT, is it possible to make directory on this / boot drive i.e.
/mnt/datastore and attach it as datastore ? Is that a way-to-go
and is there any disadvantages against separate 2 x 240g ssd as boot
and 4 x 2T sata (zfs raid 10 ) for datastore?
Actually I'ma having hard time finding 2 x 2,5" small sata drives
for boot ....
Thank you very much in advance
BR
Tonci
srdačan pozdrav / best regards
Tonči Stipičević, dipl. ing. elektr.
direktor / manager
SUMA Informatika d.o.o., Badalićeva 27, OIB 93926415263
Podrška / Upravljanje IT sustavima za male i srednje tvrtke
Small & Medium Business IT Support / Management
mob: 091 1234003
www.suma-informatika.hr
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