From: "Daniel W. S. Almeida" <dwlsalmeida@xxxxxxxxx> Convert pnfs-block-server.txt to ReST and move it to admin-guide. Content remains mostly unchanged. Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@xxxxxxxxx> --- Documentation/admin-guide/nfs/index.rst | 1 + .../nfs/pnfs-block-server.rst} | 25 +++++++++++-------- 2 files changed, 16 insertions(+), 10 deletions(-) rename Documentation/{filesystems/nfs/pnfs-block-server.txt => admin-guide/nfs/pnfs-block-server.rst} (80%) diff --git a/Documentation/admin-guide/nfs/index.rst b/Documentation/admin-guide/nfs/index.rst index c90fd5ebc640..f3bfd0f5a362 100644 --- a/Documentation/admin-guide/nfs/index.rst +++ b/Documentation/admin-guide/nfs/index.rst @@ -10,4 +10,5 @@ NFS nfs-rdma nfsd-admin-interfaces nfs-idmapper + pnfs-block-server diff --git a/Documentation/filesystems/nfs/pnfs-block-server.txt b/Documentation/admin-guide/nfs/pnfs-block-server.rst similarity index 80% rename from Documentation/filesystems/nfs/pnfs-block-server.txt rename to Documentation/admin-guide/nfs/pnfs-block-server.rst index 2143673cf154..b00a2e705cc4 100644 --- a/Documentation/filesystems/nfs/pnfs-block-server.txt +++ b/Documentation/admin-guide/nfs/pnfs-block-server.rst @@ -1,4 +1,6 @@ +=================================== pNFS block layout server user guide +=================================== The Linux NFS server now supports the pNFS block layout extension. In this case the NFS server acts as Metadata Server (MDS) for pNFS, which in addition @@ -22,16 +24,19 @@ If the nfsd server needs to fence a non-responding client it calls /sbin/nfsd-recall-failed with the first argument set to the IP address of the client, and the second argument set to the device node without the /dev prefix for the file system to be fenced. Below is an example file that shows -how to translate the device into a serial number from SCSI EVPD 0x80: +how to translate the device into a serial number from SCSI EVPD 0x80:: -cat > /sbin/nfsd-recall-failed << EOF -#!/bin/sh + cat > /sbin/nfsd-recall-failed << EOF -CLIENT="$1" -DEV="/dev/$2" -EVPD=`sg_inq --page=0x80 ${DEV} | \ - grep "Unit serial number:" | \ - awk -F ': ' '{print $2}'` +.. code-block:: sh -echo "fencing client ${CLIENT} serial ${EVPD}" >> /var/log/pnfsd-fence.log -EOF + #!/bin/sh + + CLIENT="$1" + DEV="/dev/$2" + EVPD=`sg_inq --page=0x80 ${DEV} | \ + grep "Unit serial number:" | \ + awk -F ': ' '{print $2}'` + + echo "fencing client ${CLIENT} serial ${EVPD}" >> /var/log/pnfsd-fence.log + EOF -- 2.24.1