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Top Forums UNIX for Dummies Questions & Answers How do you find max filesize with inode information ? Post 302927778 by sreyan32 on Friday 5th of December 2014 12:00:47 PM
Old 12-05-2014
How do you find max filesize with inode information ?

How do you find the maximum file size with the following information -:

A unix filesystem has 1024 bytes block size with 32-bit address. The i-node has 12 direct and 1 indirect, 1 double indirect, and 1 triple indirect addresses. What is the maximum file size it can access ?

What is the calculation that has to be done ?
 

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SETQUOTA(8)						      System Manager's Manual						       SETQUOTA(8)

NAME
setquota - set disk quotas SYNOPSIS
/usr/sbin/setquota [ -r ] [ -u | -g ] [ -F quotaformat ] name block-softlimit block-hardlimit inode-softlimit inode-hardlimit -a | filesys- tem... /usr/sbin/setquota [ -r ] [ -u | -g ] [ -F quotaformat ] [ -p protoname ] name -a | filesystem... /usr/sbin/setquota -t [ -u | -g ] [ -F quotaformat ] block-grace inode-grace -a | filesystem... DESCRIPTION
setquota is a command line quota editor. The filesystem, user/group name and new quotas for this filesystem can be specified on the com- mand line. -r Edit also remote quota use rpc.rquotad on remote server to set quota. -F quotaformat Perform setting for specified format (ie. don't perform format autodetection). Possible format names are: vfsold (version 1 quota), vfsv0 (version 2 quota), rpc (quota over NFS), xfs (quota on XFS filesystem) -u Set user quotas for named user. This is the default. -g Set group quotas for named group. -p protoname Use quota settings of user or group protoname to set the quota for the named user or group. -t Set grace times for users/groups. Times block-grace and inode-grace are specified in seconds. -a Go through all filesystems with quota in /etc/mtab and perform setting. To disable a quota, set the coresponding parameter to 0. To change quotas for several filesystems, invoke once for each filesystem. Only the super-user may edit quotas. FILES
aquota.user or aquota.group quota file at the filesystem root (version 2 quota, non-XFS filesystems) quota.user or quota.group quota file at the filesystem root (version 1 quota, non-XFS filesystems) /etc/mtab mounted filesystem table SEE ALSO
edquota(8), quota(1), quotactl(2), quotacheck(8), quotaon(8), repquota(8) SETQUOTA(8)
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