[Kernel-packages] [Bug 1926284] Re: `zfs send`dry-run estimation (`-n`) (perhaps more) broken

2021-04-27 Thread Christopher J. Ruwe
For reasons I do not understand, the kernel was not upgraded with the
`dist-upgrade` meant to lift me from groovy to hirsute. Neither my
shell-history nor the apt-logs contain any hint of a removal of the
"versionless" `linux-image-generic` package.

With proper 5.11 in place, `zfs send`s work again. The issue is
definitely not with the zfs packages. I do not have any idea how to
trace the root-cause further and suggest to close the issue.

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Title:
  `zfs send`dry-run estimation (`-n`) (perhaps more) broken

Status in zfs-linux package in Ubuntu:
  New

Bug description:
  Calling `zfs send -v` is used for size estimation, it is expected to
  return (called on focal here)

  ```bash
  [cjr@hoare:/home/cjr]
  $ zfs send -n -v 
stank/backup/mccarthy/rpool/USERDATA/<...>@zrepl-20210426_094232_000 
  full send of 
stank/backup/mccarthy/rpool/USERDATA/<...>@zrepl-20210426_094232_000 estimated 
size is 126G
  total estimated size is 126G
  ```

  On hirsute, this feature is broken and returns
  ```bash
  [cjr@mccarthy:/home/cjr]
  $ /usr/sbin/zfs send -n -v rpool/USERDATA/<...>@zrepl-20210427_103846_000
  warning: cannot send 'rpool/USERDATA/<...>@zrepl-20210427_103846_000': 
Unknown error 103
  ```

  which breaks my backup. Considering that it worked fine with focal and
  groovy, I suspect the upgraded zfs packages to be at fault (although I
  am not sure which of these).

  Thanks for your consideration.

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[Kernel-packages] [Bug 1926284] Re: `zfs send`dry-run estimation (`-n`) (perhaps more) broken

2021-04-27 Thread Christopher J. Ruwe
I have tried to reproduce the error on a vboxed fresh install of 21.04
and on a minimal install from 20.04, which I sequentially upgraded over
20.10 to 21.04. I could not reproduce the error on these minimal
installations.

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Title:
  `zfs send`dry-run estimation (`-n`) (perhaps more) broken

Status in zfs-linux package in Ubuntu:
  New

Bug description:
  Calling `zfs send -v` is used for size estimation, it is expected to
  return (called on focal here)

  ```bash
  [cjr@hoare:/home/cjr]
  $ zfs send -n -v 
stank/backup/mccarthy/rpool/USERDATA/<...>@zrepl-20210426_094232_000 
  full send of 
stank/backup/mccarthy/rpool/USERDATA/<...>@zrepl-20210426_094232_000 estimated 
size is 126G
  total estimated size is 126G
  ```

  On hirsute, this feature is broken and returns
  ```bash
  [cjr@mccarthy:/home/cjr]
  $ /usr/sbin/zfs send -n -v rpool/USERDATA/<...>@zrepl-20210427_103846_000
  warning: cannot send 'rpool/USERDATA/<...>@zrepl-20210427_103846_000': 
Unknown error 103
  ```

  which breaks my backup. Considering that it worked fine with focal and
  groovy, I suspect the upgraded zfs packages to be at fault (although I
  am not sure which of these).

  Thanks for your consideration.

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[Kernel-packages] [Bug 1926284] [NEW] `zfs send`dry-run estimation (`-n`) (perhaps more) broken

2021-04-27 Thread Christopher J. Ruwe
Public bug reported:

Calling `zfs send -v` is used for size estimation, it is expected to
return (called on focal here)

```bash
[cjr@hoare:/home/cjr]
$ zfs send -n -v 
stank/backup/mccarthy/rpool/USERDATA/<...>@zrepl-20210426_094232_000 
full send of 
stank/backup/mccarthy/rpool/USERDATA/<...>@zrepl-20210426_094232_000 estimated 
size is 126G
total estimated size is 126G
```

On hirsute, this feature is broken and returns
```bash
[cjr@mccarthy:/home/cjr]
$ /usr/sbin/zfs send -n -v rpool/USERDATA/<...>@zrepl-20210427_103846_000
warning: cannot send 'rpool/USERDATA/<...>@zrepl-20210427_103846_000': Unknown 
error 103
```

which breaks my backup. Considering that it worked fine with focal and
groovy, I suspect the upgraded zfs packages to be at fault (although I
am not sure which of these).

Thanks for your consideration.

** Affects: zfs-linux (Ubuntu)
 Importance: Undecided
 Status: New

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to zfs-linux in Ubuntu.
https://bugs.launchpad.net/bugs/1926284

Title:
  `zfs send`dry-run estimation (`-n`) (perhaps more) broken

Status in zfs-linux package in Ubuntu:
  New

Bug description:
  Calling `zfs send -v` is used for size estimation, it is expected to
  return (called on focal here)

  ```bash
  [cjr@hoare:/home/cjr]
  $ zfs send -n -v 
stank/backup/mccarthy/rpool/USERDATA/<...>@zrepl-20210426_094232_000 
  full send of 
stank/backup/mccarthy/rpool/USERDATA/<...>@zrepl-20210426_094232_000 estimated 
size is 126G
  total estimated size is 126G
  ```

  On hirsute, this feature is broken and returns
  ```bash
  [cjr@mccarthy:/home/cjr]
  $ /usr/sbin/zfs send -n -v rpool/USERDATA/<...>@zrepl-20210427_103846_000
  warning: cannot send 'rpool/USERDATA/<...>@zrepl-20210427_103846_000': 
Unknown error 103
  ```

  which breaks my backup. Considering that it worked fine with focal and
  groovy, I suspect the upgraded zfs packages to be at fault (although I
  am not sure which of these).

  Thanks for your consideration.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1926284/+subscriptions

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[Kernel-packages] [Bug 1685528] Re: ZFS initramfs mounts dataset explicitly set not to be mounted, causing boot process to fail

2017-07-06 Thread Christopher J. Ruwe
Are there any recommendations how to proceed with the EOL for yakkety
set? I use zfs clones as inpromptu boot environments when updating and
use ZFS datasets for docker and lxd, so I have a fair amount of
'canmount=none's and 'mountpoint=legacy's. I am reluctant to just c
the script from yakkety over to zesty, but seriously short of better
ideas.

Cheers!

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Title:
  ZFS initramfs mounts dataset explicitly set not to be mounted, causing
  boot process to fail

Status in zfs-linux package in Ubuntu:
  Confirmed

Bug description:
  Per https://github.com/zfsonlinux/pkg-zfs/issues/221: the initramfs
  zfs script might overrule canmount and mountpoint options for a
  dataset, causing other mount operations and with them the boot process
  to fail.

  Experienced this with Ubuntu Zesty. Xenial seems to ship with a
  different zfs script for the initrd.

  Work around when it happens: unmount the dataset that should not be
  mounted, and exit the initramfs rescue prompt to resume booting.

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