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Date:      Fri, 20 Nov 2020 19:00:32 +0100
From:      Mateusz Guzik <mjguzik@gmail.com>
To:        mike tancsa <mike@sentex.net>
Cc:        Philip Paeps <philip@freebsd.org>, "Bjoern A. Zeeb" <bz@freebsd.org>, netperf-admin@freebsd.org,  netperf-users@freebsd.org, Allan Jude <allanjude@freebsd.org>
Subject:   Re: zoo reboot Friday Nov 20 14:00 UTC
Message-ID:  <CAGudoHFLy2dxBMGd2AJZ6q6zBsU%2Bn8uLXLSiFZ1QGi_qibySVg@mail.gmail.com>
In-Reply-To: <270b65c0-8085-fe2f-cf4f-7a2e4c17a2e8@sentex.net>
References:  <1f8e49ff-e3da-8d24-57f1-11f17389aa84@sentex.net> <2691e1fd-5a27-4dd0-2ef7-b1c06fd4e751@sentex.net> <A3934CD4-57C1-4215-99F2-9500CB9EDC7C@neville-neil.com> <5A5094BC-D417-4BA6-97E2-7CB522B51368@FreeBSD.org> <4ec6ed6f-b3b4-22ae-e1ec-93a46f3d88ea@sentex.net> <d2ffd0f1-1dd8-dc6b-9975-93f20d7974a4@sentex.net> <dc8fed75-0262-c614-3292-6b8ce5addcfc@sentex.net> <0ddec867-32b5-f667-d617-0ddc71726d09@sentex.net> <CAGudoHHNN8ZcgdkRSy0cSaPA6J9ZHVf%2BBQFiBcThrtQ0AMP%2BOw@mail.gmail.com> <5549CA9F-BCF4-4043-BA2F-A2C41D13D955@freebsd.org> <ad81b5f3-f6de-b908-c00f-fb8d6ac2a0b8@sentex.net> <CAGudoHETJZ0f_YjmCcUjb-Wcf1tKhSF719kXxXUB3p4RB0uuRQ@mail.gmail.com> <CAGudoHH=H4Xok5HG3Hbw7S=6ggdsi%2BN4zHirW50cmLGsLnhd4g@mail.gmail.com> <270b65c0-8085-fe2f-cf4f-7a2e4c17a2e8@sentex.net>

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So this happened after boot:

root@zoo2:/home/mjg # swapinfo
Device          1K-blocks     Used    Avail Capacity
/dev/ada0p3     2928730500        0 2928730500     0%

which i presume might have corrupted some of it.

Allan pasted some one-liners to resize the boot and swap partition.

With your permission I would like to run them and then offline/online
the disk to have it rebuild.

As for longer plans what to do with it i think that's a different
subject, whatever new drives end up being used I'm sure the FreeBSD
Foundation can reimburse you with no difficulty.


On 11/20/20, mike tancsa <mike@sentex.net> wrote:
> Its a bit of an evolutionary mess the current state of zoo.=C2=A0 I wonde=
r if
> we are better off re-installing the base OS fresh on a pair of SSD
> drives and have the base OS on it and leave all the user data on the
> current "zroot"... Considering 240G SSDs are $35 CDN it might be easier
> to just install fresh on it and not have to worry about resizing etc.
>
> =C2=A0=C2=A0=C2=A0 ---Mike
>
> On 11/20/2020 12:49 PM, Mateusz Guzik wrote:
>> On 11/20/20, Mateusz Guzik <mjguzik@gmail.com> wrote:
>>> CC'ing Allan Jude
>>>
>>> So:
>>>
>>>   pool: zroot
>>>  state: DEGRADED
>>> status: One or more devices could not be opened.  Sufficient replicas
>>> exist
>>> for
>>> 	the pool to continue functioning in a degraded state.
>>> action: Attach the missing device and online it using 'zpool online'.
>>>    see: https://openzfs.github.io/openzfs-docs/msg/ZFS-8000-2Q
>>>   scan: scrub repaired 0B in 05:17:02 with 0 errors on Tue Aug 18
>>> 15:19:00
>>> 2020
>>> config:
>>>
>>> 	NAME                                            STATE     READ WRITE
>>> CKSUM
>>> 	zroot                                           DEGRADED     0     0
>>> 0
>>> 	  mirror-0                                      DEGRADED     0     0
>>> 0
>>> 	    1517819109053923011                         UNAVAIL      0     0
>>>    0  was /dev/ada0p3
>>> 	    ada1                                        ONLINE       0     0
>>> 0
>>> 	  mirror-1                                      ONLINE       0     0
>>> 0
>>> 	    ada3p3                                      ONLINE       0     0
>>> 0
>>> 	    ada4p3                                      ONLINE       0     0
>>> 0
>>> 	  mirror-2                                      ONLINE       0     0
>>> 0
>>> 	    ada5p3                                      ONLINE       0     0
>>> 0
>>> 	    ada6p3                                      ONLINE       0     0
>>> 0
>>> 	special=09
>>> 	  mirror-3                                      ONLINE       0     0
>>> 0
>>> 	    gptid/db15e826-1a9c-11eb-8d25-0cc47a1f2fa0  ONLINE       0     0
>>> 0
>>> 	    mfid1p2                                     ONLINE       0     0
>>> 0
>>>
>>> errors: No known data errors
>>>
>>> # dmesg | grep ada0
>>> Trying to mount root from ufs:/dev/ada0p2 [rw]...
>>> ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
>>> ada0: <WDC WD3003FZEX-00Z4SA0 01.01A01> ACS-2 ATA SATA 3.x device
>>> ada0: Serial Number WD-WCC137TALF5K
>>> ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
>>> ada0: Command Queueing enabled
>>> ada0: 2861588MB (5860533168 512 byte sectors)
>>> ada0: quirks=3D0x1<4K>
>>> Mounting from ufs:/dev/ada0p2 failed with error 2; retrying for 3 more
>>> seconds
>>> Mounting from ufs:/dev/ada0p2 failed with error 2.
>>>   vfs.root.mountfrom=3Dufs:/dev/ada0p2
>>> GEOM_PART: Partition 'ada0p3' not suitable for kernel dumps (wrong
>>> type?)
>>> ZFS WARNING: Unable to attach to ada0p3.
>>> ZFS WARNING: Unable to attach to ada0p3.
>>> ZFS WARNING: Unable to attach to ada0p3.
>>> ZFS WARNING: Unable to attach to ada0p3.
>>> ZFS WARNING: Unable to attach to ada0p3.
>>> ZFS WARNING: Unable to attach to ada0p3.
>>>
>>> # gpart show ada0
>>> =3D>        34  5860533101  ada0  GPT  (2.7T)
>>>           34           6        - free -  (3.0K)
>>>           40          88     1  freebsd-boot  (44K)
>>>          128     3072000     2  freebsd-swap  (1.5G)
>>>      3072128  5857461000     3  freebsd-zfs  (2.7T)
>>>   5860533128           7        - free -  (3.5K)
>>>
>>> Running naive dd if=3D/dev/ada0p3 works, so I don't know what zfs
>>> complains
>>> about.
>>>
>> Also note Philip's point boot partition of 44k. Is that too small now?
>>
>>> On 11/20/20, mike tancsa <mike@sentex.net> wrote:
>>>> On 11/20/2020 11:40 AM, Philip Paeps wrote:
>>>>> On 2020-11-21 00:04:19 (+0800), Mateusz Guzik wrote:
>>>>>
>>>>>> Oh, that's a bummer. I wonder if there is a regression in the boot
>>>>>> loader though.
>>>>>>
>>>>>> Does the pool mount if you boot the system from a cd/over the
>>>>>> network/whatever?
>>>>> It's worth checking if the freebsd-boot partition is large enough.  I
>>>>> noticed during the cluster refresh that we often use 108k for
>>>>> freebsd-boot but recent head wants 117k.  I've been bumping the
>>>>> bootblocks to 236k.
>>>>>
>>>>> So far, all the cluster machines I've upgraded booted though .. so ..=
.
>>>>> I might be talking ex recto. :)
>>>>>
>>>> I put in an ssd drive and booted from it. One of the drives might have
>>>> gotten loose or died in the power cycles, but there is still redundanc=
y
>>>> and I was able to mount the pool. Not sure why it cant find the file ?
>>>>
>>>> root@zoo2:~ # diff /boot/lua/loader.lua /mnt/boot/lua/loader.lua
>>>> 29c29
>>>> < -- $FreeBSD$
>>>> ---
>>>>> -- $FreeBSD: head/stand/lua/loader.lua 359371 2020-03-27 17:37:31Z
>>>> freqlabs $
>>>> root@zoo2:~ #
>>>>
>>>>
>>>>  % ls -l /mnt/boot/lua/
>>>> total 110
>>>> -r--r--r--  1 root  wheel   4300 Nov 20 08:41 cli.lua
>>>> -r--r--r--  1 root  wheel   3288 Nov 20 08:41 color.lua
>>>> -r--r--r--  1 root  wheel  18538 Nov 20 08:41 config.lua
>>>> -r--r--r--  1 root  wheel  12610 Nov 20 08:41 core.lua
>>>> -r--r--r--  1 root  wheel  11707 Nov 20 08:41 drawer.lua
>>>> -r--r--r--  1 root  wheel   2456 Nov 20 08:41 gfx-beastie.lua
>>>> -r--r--r--  1 root  wheel   2235 Nov 20 08:41 gfx-beastiebw.lua
>>>> -r--r--r--  1 root  wheel   1958 Nov 20 08:41 gfx-fbsdbw.lua
>>>> -r--r--r--  1 root  wheel   2413 Nov 20 08:41 gfx-orb.lua
>>>> -r--r--r--  1 root  wheel   2140 Nov 20 08:41 gfx-orbbw.lua
>>>> -r--r--r--  1 root  wheel   3324 Nov 20 08:41 hook.lua
>>>> -r--r--r--  1 root  wheel   2395 Nov 20 08:41 loader.lua
>>>> -r--r--r--  1 root  wheel   2429 Sep 24 09:09 logo-beastie.lua
>>>> -r--r--r--  1 root  wheel   2203 Sep 24 09:09 logo-beastiebw.lua
>>>> -r--r--r--  1 root  wheel   1958 Sep 24 09:09 logo-fbsdbw.lua
>>>> -r--r--r--  1 root  wheel   2397 Sep 24 09:09 logo-orb.lua
>>>> -r--r--r--  1 root  wheel   2119 Sep 24 09:09 logo-orbbw.lua
>>>> -r--r--r--  1 root  wheel  14201 Nov 20 08:41 menu.lua
>>>> -r--r--r--  1 root  wheel   4299 Nov 20 08:41 password.lua
>>>> -r--r--r--  1 root  wheel   2227 Nov 20 08:41 screen.lua
>>>>
>>>>
>>>>
>>>
>>> --
>>> Mateusz Guzik <mjguzik gmail.com>
>>>
>>
>


--=20
Mateusz Guzik <mjguzik gmail.com>



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