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...t;timestamp": "2024-12-05T19:29:47.054240+0200", "type": "dsdbTransaction", "dsdbTransaction": {"version": {"major": 1, "minor": 0}, "action": "commit", "transactionId": "6c245342-5ecc-4c4e-8e13-1196825d7116", "duration": 24679161, "statusCode": 1, "status": "Operations error", "reason": "end_trans error on DC=SUB,DC=DOM,DC=TLD: An operation failed during a batch mode transaction, the transaction was rolled back"}} Join faile...

...t;timestamp": "2024-12-05T19:29:47.054240+0200", "type": "dsdbTransaction", "dsdbTransaction": {"version": {"major": 1, "minor": 0}, "action": "commit", "transactionId": "6c245342-5ecc-4c4e-8e13-1196825d7116", "duration": 24679161, "statusCode": 1, "status": "Operations error", "reason": "end_trans error on DC=SUB,DC=DOM,DC=TLD: An operation failed during a batch mode transaction, the transaction was rolled back"}} Join faile...

...we fall back to manual zeroing. Check if the underlying file is a block device when opening the file, and fall back to ioctl(BLKZEROOUT) for aligned zero requests for a block device. Here is an example run without this change on RHEL 7.5: $ export SOCK=/tmp/nbd.sock $ export BLOCK=/dev/e30bfac2-8e13-479d-8cd6-c6da5e306c4e/c9864222-bc52-4359-80d7-76e47d619b15 $ src/nbdkit plugins/file/.libs/nbdkit-file-plugin.so file=$BLOCK -U $SOCK $ time qemu-img convert -n -f raw -O raw /var/tmp/fedora-27.img nbd:unix:/tmp/nbd.sock real 0m11.563s user 0m0.219s sys 0m0.746s $ time qemu-img convert -n -f ra...

...ith modern kernel, but when it is not, we fall back to manual zeroing. For block device, try also to use ioctl(BLKZEROOUT) if offset and count are aligned to block device sector size. Here is an example run without this change on RHEL 7.5: $ export SOCK=/tmp/nbd.sock $ export BLOCK=/dev/e30bfac2-8e13-479d-8cd6-c6da5e306c4e/c9864222-bc52-4359-80d7-76e47d619b15 $ src/nbdkit plugins/file/.libs/nbdkit-file-plugin.so file=$BLOCK -U $SOCK $ time qemu-img convert -n -f raw -O raw /var/tmp/fedora-27.img nbd:unix:/tmp/nbd.sock real 0m11.563s user 0m0.219s sys 0m0.746s $ time qemu-img convert -n -f ra...

...ith modern kernel, but when it is not, we fall back to manual zeroing. For block device, try also to use ioctl(BLKZEROOUT) if offset and count are aligned to block device sector size. Here is an example run without this change on RHEL 7.5: $ export SOCK=/tmp/nbd.sock $ export BLOCK=/dev/e30bfac2-8e13-479d-8cd6-c6da5e306c4e/c9864222-bc52-4359-80d7-76e47d619b15 $ src/nbdkit plugins/file/.libs/nbdkit-file-plugin.so file=$BLOCK -U $SOCK $ time qemu-img convert -n -f raw -O raw /var/tmp/fedora-27.img nbd:unix:/tmp/nbd.sock real 0m11.563s user 0m0.219s sys 0m0.746s $ time qemu-img convert -n -f ra...

...capabilities, so once we discover that an operation is not supported, we never try it again. Here are examples runs on a server based on Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz, using XtremIO storage via 4G FC HBA and 4 paths to storage. $ export SOCK=/tmp/nbd.sock $ export BLOCK=/dev/e30bfac2-8e13-479d-8cd6-c6da5e306c4e/c9864222-bc52-4359-80d7-76e47d619b15 $ src/nbdkit -f plugins/file/.libs/nbdkit-file-plugin.so file=$BLOCK -U $SOCK $ time qemu-img convert -n -f raw -O raw /var/tmp/fedora-27.img nbd:unix:$SOCK real 0m2.741s user 0m0.224s sys 0m0.634s $ time qemu-img convert -n -f raw -O...

While resuming my testing for adding a new DC with higher Samba version I have some questions: 1. do I have to expunge tombstones on each DC or just one (and replication will remove it from others). - I think it should be run on all DCs. 2. same question for dbcheck 3. Rowland mentioned that the error message I get when trying the DC is just a result of the real issue. In which section of the

This is the second version to support efficient zero for block devices on older kernels (e.g. RHEL 7.5), and file systems that do not support yet FALLOC_FS_ZERO_RANGE (e.g. NFS 4.2). Changes since v1: - Split to smaller patches - Skip linux only includes on other systems - Skip code using BLKZEROOUT if the macro is not defined - Try BLKZEROOUT only if the offset and count are aligned to device

...t;timestamp": "2024-12-05T19:29:47.054240+0200", "type": "dsdbTransaction", "dsdbTransaction": {"version": {"major": 1, "minor": 0}, "action": "commit", "transactionId": "6c245342-5ecc-4c4e-8e13-1196825d7116", "duration": 24679161, "statusCode": 1, "status": "Operations error", "reason": "end_trans error on DC=SUB,DC=DOM,DC=TLD: An operation failed during a batch mode transaction, the transaction was rolled back"}} Join faile...

...t;timestamp": "2024-12-05T19:29:47.054240+0200", "type": "dsdbTransaction", "dsdbTransaction": {"version": {"major": 1, "minor": 0}, "action": "commit", "transactionId": "6c245342-5ecc-4c4e-8e13-1196825d7116", "duration": 24679161, "statusCode": 1, "status": "Operations error", "reason": "end_trans error on DC=SUB,DC=DOM,DC=TLD: An operation failed during a batch mode transaction, the transaction was rolled back"}} Join faile...

...capabilities, so once we discover that an operation is not supported, we never try it again. Here are examples runs on a server based on Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz, using XtremIO storage via 4G FC HBA and 4 paths to storage. $ export SOCK=/tmp/nbd.sock $ export BLOCK=/dev/e30bfac2-8e13-479d-8cd6-c6da5e306c4e/c9864222-bc52-4359-80d7-76e47d619b15 $ src/nbdkit -f plugins/file/.libs/nbdkit-file-plugin.so file=$BLOCK -U $SOCK $ time qemu-img convert -n -f raw -O raw /var/tmp/fedora-27.img nbd:unix:$SOCK real 0m2.741s user 0m0.224s sys 0m0.634s $ time qemu-img convert -n -f raw -O...

...t;: > "2024-12-05T19:29:47.054240+0200", "type": "dsdbTransaction", > "dsdbTransaction": {"version": {"major": 1, "minor": 0}, "action": > "commit", "transactionId": "6c245342-5ecc-4c4e-8e13-1196825d7116", > "duration": 24679161, "statusCode": 1, "status": "Operations error", > "reason": "end_trans error on DC=SUB,DC=DOM,DC=TLD: An operation > failed during a batch mode transaction, the transaction was rolled > bac...

This version addresses some of the comments on v2. Changes since v2: - file_zero: Add missing space in function call - is_aligned: Assert that align is indeed a power of 2 - Spelling in commit message Not changed: - Eric commented that spacing was off: https://www.redhat.com/archives/libguestfs/2018-August/msg00113.html but I could not find anything wrong. - Eric asked if ioctl.h will cause

This version addresses comments on v3. Changes since v3: - Finally got spacing right (Eric) - Reorder includes (Richard) - Return 0 or -1 instead of r (Richard) - Add common/include/isaligned.h to Makefile.am (Richard) v3 was here: https://www.redhat.com/archives/libguestfs/2018-August/msg00177.html Nir Soffer (4): file: Avoid unsupported fallocate() calls file: Support zero without

Now that x86-64 has directly accessible percpu variables, it can also implement the direct versions of these operations, which operate on a vcpu_info structure directly embedded in the percpu area. In fact, the 64-bit versions are more or less identical, and so can be shared. The only two differences are: 1. xen_restore_fl_direct takes its argument in eax on 32-bit, and rdi on 64-bit.

This is the third version to support efficient zero for block devices on older kernels (e.g. RHEL 7.5), and file systems that do not support yet FALLOC_FS_ZERO_RANGE (e.g. NFS 4.2). Changes since v2: - Revert file_can_trim change, since it is too late to change the value after negotiation. Changing the capability dinamically may be useful internally, but it should be done via other means. -