Hi,
Hoping someone here can assist with a recurring problem that I have been unsucessful at correcting. I am running ArcServe r12 on a Win 2003 Server with a HP Storageworks Ultrium 1840 tape drive. I am running full daily backups with seperate tapes (5) for Mon-Fri and also (12 seperate)end Month backups (I rotate the monthly tapes in with the weekly to keep usage somewhat uniform). Tapes are mostly TDK Ultrium LTO 4 800gb/1.6tb. We have a lot of data and backup on average 800-1tb data nightly usually taking from 8 to 11hrs to complete.
Initially I started backup with about 700gb data/night...over time (6-8mos) this grew to 1.1tb at which point ArcS called for additional media. I then pulled some data off of server and onto a NAS and resumed sucessful backups at about 800gb. Again after reaching 950gb ArcS called for Additional Media..this time I reduced down to 800 Gb but could not backup to one tape. continued to incrementaly reduce 780, 760, 750 etc but could not get successful backup on one tape until 700gb. Again I resumed daily backup but now (roughly a month later) at 750gb is calling for additional media again????
I am baffled by this as the min tape capacity should be 800gb and I have had successful backups to over 1tb of data. I have tried reformatting tapes, cleaning tape drive, new tapes, re-creating backup job, re-starting server, even followed some of the tips I came across here (quick erase then re-set,reformat) but no success.
Anyone have any suggestions/ideas?
Hoping someone here can assist with a recurring problem that I have been unsucessful at correcting. I am running ArcServe r12 on a Win 2003 Server with a HP Storageworks Ultrium 1840 tape drive. I am running full daily backups with seperate tapes (5) for Mon-Fri and also (12 seperate)end Month backups (I rotate the monthly tapes in with the weekly to keep usage somewhat uniform). Tapes are mostly TDK Ultrium LTO 4 800gb/1.6tb. We have a lot of data and backup on average 800-1tb data nightly usually taking from 8 to 11hrs to complete.
Initially I started backup with about 700gb data/night...over time (6-8mos) this grew to 1.1tb at which point ArcS called for additional media. I then pulled some data off of server and onto a NAS and resumed sucessful backups at about 800gb. Again after reaching 950gb ArcS called for Additional Media..this time I reduced down to 800 Gb but could not backup to one tape. continued to incrementaly reduce 780, 760, 750 etc but could not get successful backup on one tape until 700gb. Again I resumed daily backup but now (roughly a month later) at 750gb is calling for additional media again????
I am baffled by this as the min tape capacity should be 800gb and I have had successful backups to over 1tb of data. I have tried reformatting tapes, cleaning tape drive, new tapes, re-creating backup job, re-starting server, even followed some of the tips I came across here (quick erase then re-set,reformat) but no success.
Anyone have any suggestions/ideas?