Sorry, I didn't know what i was thinking about...I meant LTO5 that they will be release in the coming year...
--- El mié, 16/9/09, Miguel Gonzalez <miguel_3_gonza...@yahoo.es> escribió: > De: Miguel Gonzalez <miguel_3_gonza...@yahoo.es> > Asunto: RE: Disk based backup > Para: "NT System Admin Issues" <ntsysadmin@lyris.sunbelt-software.com> > Fecha: miércoles, 16 septiembre, 2009 2:23 > are LTO4 already in the market? We > are getting info that won't be available until beginning of > next year. > > The best solution right now is mixing disk and tapes > backups: VTL (Virtual Tape Library). But it's a little bit > pricey for a small businesses, although I believe there > could be open source or free (or close to free) solutions. > > Tapes are good to manage and take them to a firesafe place > (not only good in the case of fire but also in the case of > robbery or flooding or any other disaster). We are using > Netbackup at work and have saved our asses almost every > week. Netbackup marks tapes that are no good so you can > discard them. I've seen a business spending around $12,000 > to recover data for having no backups (which is close to > have a bad backup policy) because a RAID array failed after > a battery replacement. > > We have evolved our pure-tape-LTO backups to a VTL. This is > great since backups and restores from disk take nothing to > be done and you can decide which information will be > exported to tapes (you can keep email and user data on disk > for instance). > > I guess you can dimension it as you want: from just an old > server with a huge hard drive and a LTO tape drive to a more > reliable RAID array with a robot. It always depends on your > budget. > > Regards, > > Miguel > > > > --- El mié, 16/9/09, Sam Cayze <sam.ca...@rollouts.com> > escribió: > > > De: Sam Cayze <sam.ca...@rollouts.com> > > Asunto: RE: Disk based backup > > Para: "NT System Admin Issues" <ntsysadmin@lyris.sunbelt-software.com> > > Fecha: miércoles, 16 septiembre, 2009 1:32 > > Sounds about right, I am getting > > 1,500MB/MIN (25MB/SEC) on my backups. > > And iirc my restores were about 20MB/Sec going to > bare > > metal RAID5. > > > > What speeds do you see with LTO? Has the reliability > of > > tapes increased > > in your opinion? > > > > Good info, thanks as always. > > > > Sam > > > > -----Original Message----- > > From: Ken Schaefer [mailto:k...@adopenstatic.com] > > > > Sent: Tuesday, September 15, 2009 11:04 PM > > To: NT System Admin Issues > > Subject: RE: Disk based backup > > > > eSata will be about 1.5x what you can get with USB > only > > (assuming you > > are copying to a single target disk). I've generally > found > > that USB2 > > peaks at around 15-20MB/sec, and eSATA is around > > 25-30MB/sec (max) > > > > With LTO4 - if you are copying from a single disk, > then the > > limitation > > will be the source, not the destination. Likewise > with > > restores, you'll > > probably be bottlenecked by the target if it's a > single > > spindle. > > > > Cheers > > Ken > > > > -----Original Message----- > > From: Sam Cayze [mailto:sam.ca...@rollouts.com] > > Sent: Wednesday, 16 September 2009 1:41 PM > > To: NT System Admin Issues > > Subject: RE: Disk based backup > > > > Wow! Had no idea. I've been on eSATA drives for > years > > now, ditched > > tapes for the speed and reliability. > > Ken, do the restore speeds also show this type of > > performance? Because > > ultimately that's what matters, right. > > > > -----Original Message----- > > From: Ken Schaefer [mailto:k...@adopenstatic.com] > > Sent: Tuesday, September 15, 2009 10:36 PM > > To: NT System Admin Issues > > Subject: RE: Disk based backup > > > > USB connected drives are way too slow. LTO4 alone > should > > get you 5x-6x > > the speed of a USB connected drive (YMMV) > > > > Cheers > > Ken > > > > -----Original Message----- > > From: Benjamin Zachary - Lists [mailto:li...@levelfive.us] > > Sent: Wednesday, 16 September 2009 9:14 AM > > To: NT System Admin Issues > > Subject: RE: Disk based backup > > > > Why not just take some external drives and mount them > in > > whatever you > > use (BEX/UB etc) and rotate the drives. > > > > At 79 bucks for a 1TB SATA, or 89 for a USB version, > you > > could do a 5 > > day rotation for 2 weeks for 900 dollars if you can > get the > > data on 1tb. > > > > > > If you want to be more involved do the backups with > deltas > > so you only > > do changes throughout the week and should be good. > With the > > drives being > > so fast restoring through 3-4 usb drives isn't really > a big > > deal, not > > like waiting 30 mins for cataloging a tape.. > > > > ~ Finally, powerful endpoint security that ISN'T a > resource > > hog! ~ ~ > > <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> > > ~ > > > > > > ~ Finally, powerful endpoint security that ISN'T a > resource > > hog! ~ ~ > > <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> > > ~ > > > > > > ~ Finally, powerful endpoint security that ISN'T a > resource > > hog! ~ ~ > > <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> > > ~ > > > > > > ~ Finally, powerful endpoint security that ISN'T a > resource > > hog! ~ > > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> > > ~ > > > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
