Status of XFS Port to Linux


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Status of the XFS Port to Linux as of 2/5/2000

The XFS Port to Linux is progressing well. XFS on Linux is on target for a beta release spring '00 with a production quality release summer '00. (These seasons are relative to the northern hemisphere). The source code is being reviewed for any encumberances (in the southern hemisphere) and should be released to the Open Source in about a month or so.

Most of the file system's functionality is working and demonstrable. XFS on Linux was demonstrated at the SGI booth at Linux World the first week of February. The equipment used was the an SGI 1400L running SGI Linux (with XFS patched in). The SGI box was connected via a brocade switch to over 100 GBytes of storage on an SGI Raid box. Two file systems were created and used in the Raid box. One was 72 Gbytes and the other was 36 Gbytes.

The functionality shown was:

file system creation,

mount and umount,

file create and remove,

directory create and remove,

read and write of files up to 2Gbytes.

Many of the standard Linux commands have been shown to work on XFS including: find(1), cpio(1), dd(1), cat(1), rm(1), and many more.

PCP was run concurrently with XFS to show disk and partition activitity.

XFS' fast recovery has been executed many times by shutting off the machine while the file system is active. The file system recovers quickly (in about 1 second) after the machine reboots. This is independent of the file system's size. Recovery occurs when the file system is mounted.

xfs_repair(1M) has been run on file systems after recovery to demonstrate that the recovery succeeded.

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