Date: Fri, 20 Nov 2020 18:05:05 -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: <f9a074b9-17d3-dcfd-5559-a00e1ac75c07@sentex.net> In-Reply-To: <CAGudoHE%2BxjHdBQAD3cAL84=k-kHDsZNECBGNNOn2LsStL5A7Dg@mail.gmail.com> References: <1f8e49ff-e3da-8d24-57f1-11f17389aa84@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> <163d1815-fc4a-7987-30c5-0a21e8383c93@sentex.net> <CAGudoHF3c1e2DFSAtyjMpcrbfzmMV5x6kOA_5BT5jyoDyKEHsA@mail.gmail.com> <a1ef98c6-e734-1760-f0cb-a8d31c6acc18@sentex.net> <CAGudoHE%2BxjHdBQAD3cAL84=k-kHDsZNECBGNNOn2LsStL5A7Dg@mail.gmail.com>
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OK. Although looks like I will have to pull it in from backups now :( root@zoo2:/home/mdtancsa # zpool import -f -R /mnt zroot cannot import 'zroot': I/O error Destroy and re-create the pool from a backup source. root@zoo2:/home/mdtancsa # all the disks are there :( Not sure why its not importing ? On 11/20/2020 6:02 PM, Mateusz Guzik wrote: > should you go trhough with it please make sure zsh is installed. then > i can get in and install some other stuff as needed. > > On 11/20/20, mike tancsa <mike@sentex.net> wrote: >> That looks good to my newbie eyes. I think tomorrow I will just bite >> the bullet and put in a pair of 240G SSDs to boot from. I will install >> HEAD onto them on another machine, and then put them in zoo, boot from >> there and adjust the home directory mounts accordingly if thats OK with >> everyone ? >> >> ---Mike >> >> On 11/20/2020 5:53 PM, Mateusz Guzik wrote: >>> I ran this one-liner: >>> >>> gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 ada0 >>> >>> which according to https://wiki.freebsd.org/RootOnZFS/GPTZFSBoot >>> should be fine. Hopefully Allan will know better. >>> >>> On 11/20/20, mike tancsa <mike@sentex.net> wrote: >>>> Unfortunately no luck :( >>>> >>>> >>>> >>>> ZFS: i/o error - all block copies >>>> unavailable >>>> ZFS: can't read MOS of pool >>>> zroot >>>> gptzfsboot: failed to mount default pool >>>> zroot >>>> >>>> >>>> FreeBSD/x86 >>>> boot >>>> >>>> >>>> Whats odd is that it doesnt post all the drives.... >>>> >>>> Zoo predated EFI, so it was booting legacy BIOS. Are the boot blocks >>>> 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 >>>>> will >>>>> 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 >>>>> CKSUM >>>>> 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 >>>>> 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. >>>>>> >>>>>> ---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 >>>>>>>> wonder >>>>>>>> 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. >>>>>>>> >>>>>>>> ---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 >>>>>>>>>> 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=0x1<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=ufs:/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 >>>>>>>>>> => 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=/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 >>>>>>>>>>> redundancy >>>>>>>>>>> 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> >>>>>>>>>> >
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