[ADSM-L] TSM for NAS (NDMP) restoration algorithm

Subject:	[ADSM-L] TSM for NAS (NDMP) restoration algorithm
From:	Wira Chinwong <wira AT SCSI.CO DOT TH>
To:	ADSM-L AT VM.MARIST DOT EDU
Date:	Thu, 3 Jul 2008 19:12:00 +0700

TSM Expert,
   I'm facing the NAS image restore performance issue. I have backup NAS
volume about 1 TB by using NDMP direct to LTO4 and collect the TOC on
disk pool. The backup is fine. But when I have to restore some files.
The restoration take too long time (more than 24 hours). Any idea please
suggest. I would like to know what is the methods that TSM use when
restore some file from image without restore the whole image first.
 
 
 
Thanks in advance.
 
Best Regards,
 
Wira Chinwong
Engineering Department Manager
 
SCSi Co., Ltd.   
719 KPN Tower Bldg., 11th Floor, Rama 9 Rd.,
Huaykwang, Bangkapi, Bangkok 10310
Tel 02-7171066-7  Fax 0-27171068
Mobile: 086-3204115
E-mail: wira AT scsi.co DOT th

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[ADSM-L] TSM for NAS (NDMP) restoration algorithm, Wira Chinwong <= Re: [ADSM-L] TSM for NAS (NDMP) restoration algorithm, Shawn Drew Re: [ADSM-L] TSM for NAS (NDMP) restoration algorithm, Wira Chinwong Re: [ADSM-L] TSM for NAS (NDMP) restoration algorithm, Richard Sims