Date: Fri, 20 Nov 2020 17:47:03 -0500 From: mike tancsa <mike@sentex.net> To: Mateusz Guzik <mjguzik@gmail.com> 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: <163d1815-fc4a-7987-30c5-0a21e8383c93@sentex.net> In-Reply-To: <CAGudoHELFz7KyzQmRN8pCbgLQXPgCdHyDAQ4pzFLF%2BYswcP87A@mail.gmail.com> 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> <CAGudoHFLy2dxBMGd2AJZ6q6zBsU%2Bn8uLXLSiFZ1QGi_qibySVg@mail.gmail.com> <a716e874-d736-d8d5-9c45-c481f6b3dee7@sentex.net> <CAGudoHELFz7KyzQmRN8pCbgLQXPgCdHyDAQ4pzFLF%2BYswcP87A@mail.gmail.com>
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Unfortunately no luck :( =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 ZFS: i/o error - all block copies unavailable=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ZFS: can't read MOS of pool zroot=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 gptzfsboot: failed to mount default pool zroot=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 FreeBSD/x86 boot=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 Whats odd is that it doesnt post all the drives.... Zoo predated EFI, so it was booting legacy BIOS.=C2=A0 Are the boot block= s that you installed assuming that ? On 11/20/2020 1:27 PM, Mateusz Guzik wrote: > swap and boot partitions resized, the ada0p3 partition got removed > from the pool and inserted back, it is rebuilding now: > > root@zoo2:~ # zpool status > pool: zroot > state: DEGRADED > status: One or more devices is currently being resilvered. The pool wi= ll > continue to function, possibly in a degraded state. > action: Wait for the resilver to complete. > scan: resilver in progress since Fri Nov 20 23:13:28 2020 > 459G scanned at 1.00G/s, 291G issued at 650M/s, 3.47T total > 0B resilvered, 8.17% done, 01:25:48 to go > config: > > NAME STATE READ WRITE C= KSUM > zroot DEGRADED 0 0 = 0 > mirror-0 DEGRADED 0 0 = 0 > replacing-0 DEGRADED 0 0 = 0 > 1517819109053923011 OFFLINE 0 0 > 0 was /dev/ada0p3/old > ada0p3 ONLINE 0 0 = 0 > 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 > > One pickle: i did 'zpool export zroot' to replace the drive, otherwise > zfs protested. subsequent zpool import was done slightly carelessly > and it mounted over /, meaning i lost access to original ufs. Should > there be a need to boot from it again someone will have to boot single > user and make sure to comment out swap in /etc/fstab or we will have > to replace the drive again. > > That said, as I understand we are in position to take out the ufs > drive and reboot to be back in business. > > The ufs drive will have to be mounted somewhere to sort out that swap. > > On 11/20/20, mike tancsa <mike@sentex.net> wrote: >> On 11/20/2020 1:00 PM, Mateusz Guzik wrote: >>> 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. >> Oh, that makes sense now. When it was installed in the back, the drive= >> posted as ada0. When we put it in zoo, it was on a farther down port, >> hence it came up as ada7. I had to manually mount / off ada7p2. I >> updated fstab so as not to do that again already. That mystery solved= =2E >> >> ---Mike >> >> >>> 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. 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 eas= ier >>>> to just install fresh on it and not have to worry about resizing etc= =2E >>>> >>>> ---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 repli= cas >>>>>> exist >>>>>> for >>>>>> the pool to continue functioning in a degraded state. >>>>>> action: Attach the missing device and online it using 'zpool onlin= e'. >>>>>> 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 WR= ITE >>>>>> 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 n= ow? >>>>> >>>>>> 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 b= oot >>>>>>>>> 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 enoug= h. >>>>>>>> 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 >>>>>>> redundancy >>>>>>> and I was able to mount the pool. Not sure why it cant find the f= ile >>>>>>> ? >>>>>>> >>>>>>> root@zoo2:~ # diff /boot/lua/loader.lua /mnt/boot/lua/loader.lua >>>>>>> 29c29 >>>>>>> < -- $FreeBSD$ >>>>>>> --- >>>>>>>> -- $FreeBSD: head/stand/lua/loader.lua 359371 2020-03-27 17:37:3= 1Z >>>>>>> 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> >>>>>> >
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