[Veritas-bu] Backups to disk, your opinion

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Personally, anything that comes from EMC is something of which I'm=0D=0Awar=
y=2E=2E=2E (not a fan! ;) )=0D=0A =0D=0ADisk backups won't necessarily impr=
ove performance=2E You have to take=0D=0Ainto consideration the fact that d=
isk drivers are written for random I/O=0D=0Aand that tape drivers are meant=
 for streaming I/O, ergo, tape is better=0D=0Afor backup=2E However, it als=
o depends on what you're comparing w/ disk,=0D=0Afrom a tape perspective=2E=
 If you have some old DLT 7000 drives that=0D=0Ayou're comparing, disk will=
 totally win, just by virtue of the fact that=0D=0Athe tape drives suck, ho=
wever, if you're using an LTO III, tape will=0D=0Aprobably beat out disk fr=
om a performance perspective=2E=0D=0A =0D=0Ajust my =2E02=2E=0D=0A =0D=0A~K=
ate=0D=0A =0D=0A =0D=0A-----Original Message-----=0D=0AFrom: veritas-bu-adm=
in@mailman=2Eeng=2Eauburn=2Eedu=0D=0A[mailto:veritas-bu-admin@mailman=2Eeng=
=2Eauburn=2Eedu] On Behalf Of Hindle,=0D=0AGreg=0D=0ASent: Thursday, Novemb=
er 10, 2005 3:36 PM=0D=0ATo: veritas-bu@mailman=2Eeng=2Eauburn=2Eedu=0D=0AS=
ubject: [Veritas-bu] Backups to disk, your opinion=0D=0A=0D=0A=0D=0A=0D=0AN=
bu 5=2E0 mp3 Solaris =0D=0A=0D=0AWe are looking into backing up to disk ins=
tead of tape=2E We have looked=0D=0Aat the EMC CDL solution=2E I am curious=
 to know what other solutions=0D=0Apeople are using and their opinions on w=
hat they use=2E=0D=0A=0D=0A=0D=0AGreg =0D=0A  =0D=0A=0D=0A>>> This e-mail a=
nd any attachments are confidential, may contain legal,=0D=0Aprofessional o=
r other privileged information, and are intended solely=0D=0Afor the=0D=0Aa=
ddressee=2E  If you are not the intended recipient, do not use the=0D=0Ainf=
ormation=0D=0Ain this e-mail in any way, delete this e-mail and notify the =
sender=2E=0D=0ACEG-IP2=0D=0A=0D=0A=0D=0A=0D=0A-----------------------------=
------------=0D=0AThis e-mail may contain confidential or privileged inform=
ation=2E  If you=0D=0Athink you have received this e-mail in error, please =
advise the sender=0D=0Aby=0D=0Areply e-mail and then delete this e-mail imm=
ediately=2E  Thank you=2E=0D=0AAetna=0D=0A
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<HTML>=0D=0A<BODY>=0D=0A<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4=2E0 Trans=
itional//EN">=0D=0A<HTML><HEAD><TITLE>Message</TITLE>=0D=0A<META http-equiv=
=3DContent-Type content=3D"text/html; charset=3Dus-ascii">=0D=0A<META conte=
nt=3D"MSHTML 6=2E00=2E2800=2E1523" name=3DGENERATOR></HEAD>=0D=0A<BODY>=0D=
=0A<DIV><FONT face=3DGeorgia><FONT color=3D#0000ff><FONT size=3D2><SPAN =0D=
=0Aclass=3D308374721-10112005>Personally, anything that comes from EMC is s=
omething =0D=0Aof which I'm wary=2E=2E=2E</SPAN>&nbsp;<SPAN class=3D3083747=
21-10112005>(not a fan! ;) =0D=0A)</SPAN></FONT></FONT></FONT></DIV>=0D=0A<=
DIV><FONT face=3DGeorgia><FONT color=3D#0000ff><FONT size=3D2><SPAN =0D=0Ac=
lass=3D308374721-10112005></SPAN></FONT></FONT></FONT>&nbsp;</DIV>=0D=0A<DI=
V><SPAN class=3D308374721-10112005><FONT face=3DGeorgia color=3D#0000ff siz=
e=3D2>Disk =0D=0Abackups won't necessarily improve performance=2E You have =
to take into =0D=0Aconsideration the fact that disk drivers are written for=
 random I/O and that =0D=0Atape drivers are meant for streaming I/O, ergo, =
tape is better for =0D=0Abackup=2E&nbsp;However, it also depends on what yo=
u're comparing w/ disk, from a =0D=0Atape perspective=2E If you have some o=
ld DLT 7000 drives that you're comparing, =0D=0Adisk will totally win, just=
 by virtue of the fact that the tape drives suck, =0D=0Ahowever, if you're =
using an LTO III, tape will probably beat out disk from a =0D=0Aperformance=
 perspective=2E</FONT></SPAN></DIV>=0D=0A<DIV><SPAN class=3D308374721-10112=
005><FONT face=3DGeorgia color=3D#0000ff =0D=0Asize=3D2></FONT></SPAN>&nbsp=
;</DIV>=0D=0A<DIV><SPAN class=3D308374721-10112005><FONT face=3DGeorgia col=
or=3D#0000ff size=3D2>just =0D=0Amy =2E02=2E</FONT></SPAN></DIV>=0D=0A<DIV>=
<SPAN class=3D308374721-10112005><FONT face=3DGeorgia color=3D#0000ff =0D=
=0Asize=3D2></FONT></SPAN>&nbsp;</DIV>=0D=0A<DIV><SPAN class=3D308374721-10=
112005><FONT face=3DGeorgia color=3D#0000ff =0D=0Asize=3D2>~Kate</FONT></SP=
AN></DIV>=0D=0A<DIV><SPAN class=3D308374721-10112005><FONT face=3DGeorgia c=
olor=3D#0000ff =0D=0Asize=3D2></FONT></SPAN>&nbsp;</DIV>=0D=0A<DIV><SPAN cl=
ass=3D308374721-10112005><FONT face=3DGeorgia color=3D#0000ff =0D=0Asize=3D=
2></FONT></SPAN>&nbsp;</DIV>=0D=0A<DIV></DIV>=0D=0A<DIV><FONT face=3DTahoma=
 size=3D2>-----Original Message-----<BR><B>From:</B> =0D=0Averitas-bu-admin=
@mailman=2Eeng=2Eauburn=2Eedu =0D=0A[mailto:veritas-bu-admin@mailman=2Eeng=
=2Eauburn=2Eedu] <B>On Behalf Of </B>Hindle, =0D=0AGreg<BR><B>Sent:</B> Thu=
rsday, November 10, 2005 3:36 PM<BR><B>To:</B> =0D=0Averitas-bu@mailman=2Ee=
ng=2Eauburn=2Eedu<BR><B>Subject:</B> [Veritas-bu] Backups to =0D=0Adisk, yo=
ur opinion<BR><BR></DIV></FONT><!-- Converted from text/rtf format -->=0D=
=0A<P><FONT face=3DArial size=3D2>Nbu 5=2E0 mp3 Solaris</FONT> </P>=0D=0A<P=
><FONT face=3DArial size=3D2>We are looking into backing up to disk instead=
 of =0D=0Atape=2E We have looked at the EMC CDL solution=2E I am curious to=
 know what other =0D=0Asolutions people are using and their opinions on wha=
t they use=2E</FONT></P>=0D=0A<P><FONT face=3DArial></FONT> <BR><FONT face=
=3DArial size=3D2>Greg</FONT> <BR><FONT =0D=0Aface=3DArial>&nbsp;</FONT> </=
P><PRE>&gt;&gt;&gt; This e-mail and any attachments are confidential, may c=
ontain legal,=0D=0Aprofessional or other privileged information, and are in=
tended solely for the=0D=0Aaddressee=2E  If you are not the intended recipi=
ent, do not use the information=0D=0Ain this e-mail in any way, delete this=
 e-mail and notify the sender=2E CEG-IP2=0D=0A</PRE></BODY></HTML>=0D=0A=0D=
=0A=0D=0A<P><hr size=3D1></P>=0D=0A<P><STRONG>=0D=0AThis e-mail may contain=
 confidential or privileged information=2E  If you<br>think you have receiv=
ed this e-mail in error, please advise the sender<br>by<br>reply e-mail and=
 then delete this e-mail immediately=2E  Thank you=2E<br>Aetna=0D=0A</STRON=
G></P>=0D=0A</BODY>=0D=0A</HTML>=0D=0A
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