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start [2019/08/06 00:07]
Dan Williams
start [2020/06/11 20:00]
Ira Weiny [Filesystems]
Line 10: Line 10:
   * NDCTL: https://​github.com/​pmem/​ndctl.git   * NDCTL: https://​github.com/​pmem/​ndctl.git
   * NDCTL man pages online: http://​pmem.io/​ndctl/​   * NDCTL man pages online: http://​pmem.io/​ndctl/​
-  * linux-nvdimm Mailing List: https://​lists.01.org/​mailman/listinfo/​linux-nvdimm+  * linux-nvdimm Mailing List: https://​lists.01.org/​postorius/lists/​linux-nvdimm.lists.01.org
   * linux-nvdimm Patchwork: https://​patchwork.kernel.org/​project/​linux-nvdimm/​list/​   * linux-nvdimm Patchwork: https://​patchwork.kernel.org/​project/​linux-nvdimm/​list/​
  
Line 431: Line 431:
 $ mkfs.xfs -f -m reflink=0 /​dev/​pmem0p2 $ mkfs.xfs -f -m reflink=0 /​dev/​pmem0p2
 $ mkfs.btrfs -f /​dev/​pmem0p3 $ mkfs.btrfs -f /​dev/​pmem0p3
-$ mount -o dax /​dev/​pmem0p1 /​mnt/​ext4-pmem0 +$ mount [dax_mount_options] ​/​dev/​pmem0p1 /​mnt/​ext4-pmem0 
-$ mount -o dax /​dev/​pmem0p2 /​mnt/​xfs-pmem0+$ mount [dax_mount_options] ​/​dev/​pmem0p2 /​mnt/​xfs-pmem0
 $ mount /​dev/​pmem0p3 /​mnt/​btrfs-pmem0 $ mount /​dev/​pmem0p3 /​mnt/​btrfs-pmem0
  
Line 454: Line 454:
 /​dev/​pmem0p3 ​                   4.3G   ​17M ​ 4.1G   1% /​mnt/​btrfs-pmem0 /​dev/​pmem0p3 ​                   4.3G   ​17M ​ 4.1G   1% /​mnt/​btrfs-pmem0
 </​code>​ </​code>​
 +
 +Where **[dax_mount_options]** depends on the kernel support you have and the desired behavior. ​ **For kernel version less than 5.8 the legacy '-o dax' option must be used.** ​ In 5.8 new mount options were introduced. ​ See [[fs_mount_options|fs_mount_options]] for details.
  
 Check the kernel log to ensure the DAX mount option was honored; mount does not print this information. Example failures: Check the kernel log to ensure the DAX mount option was honored; mount does not print this information. Example failures:
start.txt · Last modified: 2020/06/12 15:58 by Ira Weiny