[OpenIndiana-discuss] RAIDZ issue

[Toomas Soome]

> On 17. Feb 2021, at 20:49, Thebest videos <sri.chityala504 at gmail.com> wrote:
> 
> NOTE: we are getting issues after shutdown , then remove ISO file from
> virtualBox then power on the server. if we attach an ISO file we are safe
> with our Zpool stuff. and we are creating boot,swap,root partitions on each
> disks.

vbox seems to have limit on boot disks - it appears to “see” 5, My vbox has IDE for boot disk, and I did add 6 sas disks, I only can see 5 — ide + 4 sas.

So all you need to do is to add disk for boot pool, and make sure it is first one - once kernel is up, it can see all the disks.

rgds,
toomas


> I'm not able to understand First 5 disks are ONLINE and remaining disks are
> UNKNOWN state after power off and then power on
> actually our requirement is to create RAIDZ1/RAIDZ2 with single vdev(upto 5
> disks per vdev) if more than 5 or less than 10 disks then those disks(after
> 5disks) are spare part shouldn't be included any vdev. if we have
> multiple's of 5 disks then we need to create multiple vdev in a pool
> example: RAIDZ2 : if total 7 disks then 5 disks as single vdev, remaining 2
> disks as spare parts nothing to do. and if we have 12 disks intotal then 2
> vdevs (5 disks per vdev) so total 10 disks in 2 vdevs remaining 2disks as
> spare.
> RAIDZ1: if we have only 3 disks then we should create RAIDZ1
> 
> Here, we wrote a zfs script for our requirements(but currently testing with
> manual commands). We are able to createRAIDZ2 with a single vdev in a pool
> for 5 disks. it works upto 9 disks but if we have 10 disks then 2 vdevs are
> created after power on the same error coming like zfs: i/o error all copies
> blocked.
> I was testing the RAIDZ like I'm creating 2 vdevs which have 3 disks per
> each vdev.its working fine even after shutdown and power on(as says that we
> are removing the ISO file after shutdown).
> but the issue is when we create 2 vdevs with 4 disks per each vdev.this
> time we are not getting error its giving options like we press esc button
> what kind of options we see those options are coming. if i type lsdev -v(as
> you said before). first 5 disks are online and the remaining 3 disks are
> UNKNOWN.
> 
> FInally, I need to setup RAIDZ configuration with 5 multiples of disks per
> each vdev.  please look once again below commands im using to create
> partitions and RAIDZ configuration
> 
> NOTE: below gpart commands are running for each disk
> 
> gpart create -s gpt ada0
> 
> 
> gpart add -a 4k -s 512K -t freebsd-boot ada0
> 
> 
> gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 ada0
> 
> 
> gpart add -a 1m -s 2G -t freebsd-swap -l swap0 ada0
> 
> 
> gpart add -a 1m -t freebsd-zfs -l disk0 ada0
> 
> 
> zpool create -o altroot=/mnt datapool raidz2 ada0p3 ada1p3 ada2p3
> ada3p3  raidz2 ada4p3 ada5p3 ada6p3 ada7p3
> 
> 
> zfs create -o mountpoint=/ -o canmount=noauto datapool/boot
> 
> 
> mount -t zfs datapool/boot /mnt
> 
> 
> mount_cd9660 /dev/cd0 /media
> 
> 
> cp -r /media/* /mnt/.
> 
> 
> zpool set bootfs=datapool/boot datapool
> 
> 
> shutdown and remove ISO and power on the server
> 
> 
> kindly suggest me steps if im wrong
> 
> On Wed, Feb 17, 2021 at 11:51 PM Thebest videos <sri.chityala504 at gmail.com>
> wrote:
> 
>> prtconf -v | grep biosdev not working on freebsd
>> i think its legacy boot system(im not sure actually i didnt find anything
>> about EFI related stuff) is there anyway to check EFI
>> 
>> Create the pool with EFI boot:
>> # zpool create -B rpool raidz c0t0d0 c0t1d0 c0t3d0
>> 
>> how can i create pool with EFI
>> and -B what it refers?
>> 
>> On Wed, Feb 17, 2021 at 11:00 PM John D Groenveld <groenveld at acm.org>
>> wrote:
>> 
>>> In message <272389262.2537371.1613575739056 at mail.yahoo.com>, Reginald
>>> Beardsley
>>> via openindiana-discuss writes:
>>>> I was not aware that it was possible to boot from RAIDZ. It wasn't
>>> possible wh
>>> 
>>> With the current text installer, escape to a shell.
>>> Confirm the disks are all BIOS accessible:
>>> # prtconf -v | grep biosdev
>>> Create the pool with EFI boot:
>>> # zpool create -B rpool raidz c0t0d0 c0t1d0 c0t3d0
>>> Exit and return to the installer and then F5 Install to an Existing Pool
>>> 
>>> John
>>> groenveld at acm.org
>>> 
>>> _______________________________________________
>>> openindiana-discuss mailing list
>>> openindiana-discuss at openindiana.org
>>> https://openindiana.org/mailman/listinfo/openindiana-discuss
>>> 
>> 
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