Details
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Type:
Feature Request
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Status: Closed
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Priority:
Minor
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Resolution: Won't Fix
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Fix Version/s: OpenVZ-legacy
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Component/s: Containers::Userspace
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Security Level: Public
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Environment:Operating System: Other
Platform: Other
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External issue URL:
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External issue ID:2946
Description
Hello!
After migration to ploop by default we can't create containers on OpenZFS (ZFS on Linux).
cat /proc/mounts|grep zfs
vz /vz zfs rw,relatime,xattr 0 0
uname -a
Linux CentOS-65-64-minimal 2.6.32-042stab088.4 #1 SMP Thu Apr 3 17:41:05 MSK 2014 x86_64 x86_64 x86_64 GNU/Linux
ploop-1.11-1.x86_64
vzctl-4.7-1.x86_64
vzctl create 113 --ostemplate centos-6-x86_64 --layout ploop
Creating image: /vz/private/113.tmp/root.hdd/root.hdd size=2306867K
Creating delta /vz/private/113.tmp/root.hdd/root.hdd bs=2048 size=4614144 sectors v2
Error in do_create_delta (ploop.c:325): Can't open /vz/private/113.tmp/root.hdd/root.hdd: Invalid argument
Failed to create image: Error in do_create_delta (ploop.c:325): Can't open /vz/private/113.tmp/root.hdd/root.hdd: Invalid argument [1]
Destroying container private area: /vz/private/113
Creation of container private area failed
I found code on this line and isolate problem to external snippet: https://gist.github.com/pavel-odintsov/11140995
And got: Can't create file with flags: O_RDWR|O_CREAT|O_DIRECT|O_EXCL errno 22 errtext: Invalid argument
Could you add support for filesystems without O_DIRECT or it's not possible by design?
simfs was more agile for selecting filesystem but with ploop we locked to ext4 which is not so excellent fs :( I will be happy if you add another filesystem support to ploop :)
After migration to ploop by default we can't create containers on OpenZFS (ZFS on Linux).
cat /proc/mounts|grep zfs
vz /vz zfs rw,relatime,xattr 0 0
uname -a
Linux CentOS-65-64-minimal 2.6.32-042stab088.4 #1 SMP Thu Apr 3 17:41:05 MSK 2014 x86_64 x86_64 x86_64 GNU/Linux
ploop-1.11-1.x86_64
vzctl-4.7-1.x86_64
vzctl create 113 --ostemplate centos-6-x86_64 --layout ploop
Creating image: /vz/private/113.tmp/root.hdd/root.hdd size=2306867K
Creating delta /vz/private/113.tmp/root.hdd/root.hdd bs=2048 size=4614144 sectors v2
Error in do_create_delta (ploop.c:325): Can't open /vz/private/113.tmp/root.hdd/root.hdd: Invalid argument
Failed to create image: Error in do_create_delta (ploop.c:325): Can't open /vz/private/113.tmp/root.hdd/root.hdd: Invalid argument [1]
Destroying container private area: /vz/private/113
Creation of container private area failed
I found code on this line and isolate problem to external snippet: https://gist.github.com/pavel-odintsov/11140995
And got: Can't create file with flags: O_RDWR|O_CREAT|O_DIRECT|O_EXCL errno 22 errtext: Invalid argument
Could you add support for filesystems without O_DIRECT or it's not possible by design?
simfs was more agile for selecting filesystem but with ploop we locked to ext4 which is not so excellent fs :( I will be happy if you add another filesystem support to ploop :)
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