From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q0RB2RCq163898 for ; Fri, 27 Jan 2012 05:02:28 -0600 Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.17.8]) by cuda.sgi.com with ESMTP id sryH9xsAkZR8mUsD for ; Fri, 27 Jan 2012 03:02:25 -0800 (PST) Message-ID: <4F22843E.4050804@open-e.com> Date: Fri, 27 Jan 2012 12:02:22 +0100 From: =?UTF-8?B?xYF1a2FzeiBPbGXFmw==?= MIME-Version: 1.0 Subject: reserved blocks pool default size List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0862800732055693483==" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com This is a multi-part message in MIME format. --===============0862800732055693483== Content-Type: multipart/alternative; boundary="------------070408090905010307030302" This is a multi-part message in MIME format. --------------070408090905010307030302 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hi, I updated kernel from 2.6.27 to 2.6.35 and noticed that free size on my xfs volume changed. Before update there was 7MB free space, now there is none. After some investigation I found that default size for reserved block pool changed [1]. On this volume I have one very big file which is exported as iSCSI disk via SCST and one small configuration file. The big file size will never change. Small file size can change only by some KB. With this assumptions, can I revert this change and set reserved blocks pool size to 1024 blocks? [1]. http://kerneltrap.org/mailarchive/git-commits-head/2010/3/6/28671 Reagards, -- Łukasz Oleś --------------070408090905010307030302 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit Hi,

I updated kernel from 2.6.27 to 2.6.35 and noticed that free size on my xfs volume changed. Before update there was 7MB free space, now there is none.

After some investigation I found that default size for reserved block pool changed [1].
On this volume I have one very big file which is exported as iSCSI disk via SCST and one small configuration file. The big file size will never change. Small file size can change only by some KB.

With this assumptions, can I revert this change and set reserved blocks pool size to 1024 blocks?

[1]. http://kerneltrap.org/mailarchive/git-commits-head/2010/3/6/28671

Reagards,

--
Łukasz Oleś
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