Difference between revisions of "DCache Metadata Commands"
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= Admin Commands using the 'chimera' command = | = Admin Commands using the 'chimera' command = | ||
| + | |||
| + | = Further Information = | ||
| + | [https://github.com/dCache/dcache/wiki/NFS-Dot-Commands#get-checksums NFS Dot Commands] | ||
Latest revision as of 10:45, 13 January 2017
Admin Commands on a mounted PNFS FileSystem
- In some cases, will need RW mode
Get PNFSID of a file
# cat /pnfs/pic.es/data/dteam/'.(id)(1MB.test)' 0000C360D1E1064F4B028E371579A7FF969F
- or alternatively...
cd /pnfs/pic.es/data/dteam ; cat '.(id)(1MB.test)' 0000C360D1E1064F4B028E371579A7FF969F
Get PNFSID of a parent directory
# cat /pnfs/pic.es/data/dteam/'.(parent)(0000C360D1E1064F4B028E371579A7FF969F)' 0000D18B33B8289843ECA61FB4F24C289214
- or alternatively...
# cd /pnfs/pic.es/data/dteam/ ; cat '.(parent)(0000C360D1E1064F4B028E371579A7FF969F)' 0000D18B33B8289843ECA61FB4F24C289214
Get file/directory name from PNFSID
cat /pnfs/pic.es/data/dteam/'.(nameof)(0000C360D1E1064F4B028E371579A7FF969F)' 1MB.test
- or alternatively...
cd /pnfs/pic.es/data/dteam ; cat '.(nameof)(0000C360D1E1064F4B028E371579A7FF969F)' 1MB.test
Get ADLER32 Checksum from a specific file name
# cat /pnfs/pic.es/data/dteam/'.(get)(1MB.test)(checksum)' ADLER32:d80e3353
- or alternatively...
# cd /pnfs/pic.es/data/dteam/ ; cat '.(get)(1MB.test)(checksum)' ADLER32:d80e3353
Get all directory tags and read tags
# cd /pnfs/pic.es/data/dteam/ ; grep $(cat '.(tags)()') .(tag)(AccessLatency):ONLINE .(tag)(file_family):dteam .(tag)(OSMTemplate):StoreName vo-dteam .(tag)(RetentionPolicy):REPLICA .(tag)(sGroup):dteam .(tag)(storage_group):vo-dteam
Get all directory tags
# cat '/pnfs/pic.es/data/dteam/.(tags)()' .(tag)(OSMTemplate) .(tag)(sGroup)
- or alternatively...
# cd /pnfs/pic.es/data/dteam/; cat '.(tags)()' .(tag)(AccessLatency) .(tag)(file_family) .(tag)(OSMTemplate) .(tag)(RetentionPolicy) .(tag)(sGroup) .(tag)(storage_group)
Read tag
# cat /pnfs/pic.es/data/dteam/'.(tag)(OSMTemplate)' StoreName vo-dteam
Write tag
echo 'StoreName vo-dteam' > /pnfs/pic.es/data/dteam/'.(tag)(OSMTemplate)