[OpenIndiana-discuss] RAIDZ issue

[Thebest videos]

++ruchir.bharadwaj at yahoo.com

On Thu, Feb 18, 2021 at 1:24 AM Toomas Soome via openindiana-discuss <
openindiana-discuss at openindiana.org> wrote:

>
>
> > 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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>
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