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Stores randomly go down

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Stores randomly go down - 8.Oct.2010 12:15:21 PM   
12sixteen

 

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Joined: 8.Oct.2010
Status: offline
Setup: Exchange 2003 SP2 running on Windows Server 2003 R2 SP2. 4 Storage Groups - (2 have 2 stores and 2 have 1 store each) on a SAN. Doubletake replicates the stores to an onsite backup server and the SAN replicates the stores offsite. Running Antigen 9.2 SP2. Each storage group has its own database drive and each has its own log drive.

Problem Description: Randomly one of the Storage Group's stores will go down because a log file cannot be accessed for read/write. (Program log error message included below.) It is not frequent, but say 8 times over the last 4 months. It happens during working hours when the server is being utilized the most. The stores mount fine after the incident. It has happened on each of the Storage Groups but never more than one Storage Group at a time.

Has anyone seen anything similar to this? Any help or suggestions appreciated.

Program Event log error:
Event Type: Error
Event Source: ESE
Event Category: General
Event ID: 490
Date: 10/8/2010
Time: 9:15:08 AM
User: N/A
Computer: Servername
Description:
Information Store (4128) High Limit Storage Group: An attempt to open the file "H:\High Limit Logs\E01.chk" for read / write access failed with system error 5 (0x00000005): "Access is denied. ". The open file operation will fail with error -1032 (0xfffffbf8).
Post #: 1
RE: Stores randomly go down - 8.Oct.2010 12:33:45 PM   
mark@mvps.org

 

Posts: 6811
Joined: 9.Jun.2004
From: Philadelphia PA
Status: offline
Loads of possibilities here, two possibles.
1. Antigen isn't configured properly and is trying to scan or otherwise access something in the Exchange directory structure at the file level (unlikely since Antigen is an intelligent bit of work)
2. The LUNs are maybe dropping offline or at least the LUN looks like it's dropping but didn't actually drop and came back ok.

Can't see it being Doubletake and I can assure you it won't be the SAN replication because that doesn't look at the file system when it's doing block level replication so therefore doesn't 'lock' any files.

What SAN and what protocol? Have you had the 'storage people' check their logs?

_____________________________

Mark Arnold (Exchange MVP)
List Moderator

(in reply to 12sixteen)
Post #: 2

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