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Hi, I am trying to make sense of the hash values that get assigned/used by DHT. /brick1/vol and /brick2/vol are the directories that are being used as bricks in a distributed replicated volume. [root@glusterhackervm3 glus]# getfattr -n trusted.glusterfs.dht -e hex /brick1/vol getfattr: Removing leading '/' from absolute path names # file: brick1/vol trusted.glusterfs.dht=0x0000000100000000000000007ffffde1 This means that any file gets hashed to a value from 0x00 to 0x7ffffde1 gets stored on this brick. [root@glusterhackervm3 glus]# getfattr -n trusted.glusterfs.dht -e hex /brick2/vol getfattr: Removing leading '/' from absolute path names # file: brick2/vol trusted.glusterfs.dht=0x00000001000000007ffffde2ffffffff
This means that any file that’s hashed to a value from 0x7ffffde2 to 0xffffffff gets stored on this brick. What is confusing is the dht values that are shown for the directories inside these brick directories. What do the dht values associated with the sub directories signify. [root@glusterhackervm3 glus]# getfattr -n trusted.glusterfs.dht -e hex /brick2/vol/d/ getfattr: Removing leading '/' from absolute path names # file: brick2/vol/d/ trusted.glusterfs.dht=0x0000000100000000000000007ffffffe [root@glusterhackervm3 glus]# getfattr -n trusted.glusterfs.dht -e hex /brick2/vol/d/e getfattr: Removing leading '/' from absolute path names # file: brick2/vol/d/e trusted.glusterfs.dht=0x0000000100000000000000007ffffffe [root@glusterhackervm3 glus]# getfattr -n trusted.glusterfs.dht -e hex /brick2/vol/d/f getfattr: Removing leading '/' from absolute path names # file: brick2/vol/d/f trusted.glusterfs.dht=0x00000001000000007fffffffffffffff Thanks and Regards, Ram ***************************Legal Disclaimer*************************** "This communication may contain confidential and privileged material for the sole use of the intended recipient. Any unauthorized review, use or distribution by others is strictly prohibited. If you have received the message by mistake, please advise the sender by reply email and delete the message. Thank you." **********************************************************************
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