Am 01.09.2005 um 21:32 Uhr schrieb PowerBooks:
From: "James W. Greenidge" <[EMAIL PROTECTED]>
Subject: What's better: Enclosure or Ethernet?
Greetings:
I need some serious second opinions here. My current situation is that
I've
1.25gHz eMac whose Home folder I'm regularly backing up via ethernet
into
my Performa 6320's HD. Lately my 6320's HD has been making thumping
noises
and I'm getting nervous. I have a PB 190 with a two-year-old 30gig
Travelstar HD inside. I used to backup my 6320 on it via Appletalk
printer
port file sharing, which literally took a week all night long to
back-up
1gig.
I've been thinking of taking out my PB 190's HD and putting it into an
economical (i.e. cheap) enclosure to directly back-up and mirror my
eMac's
HD. But if I do that I lose my PB, which would still be nice to hold
on to.
If it's possible at all to directly connect my PB 190 to my eMac via
ethernet, would I be ahead at all in terms of being able to efficiently
back-up my files on my PB 190 or just have my eMac use an enclosure
set-up?
I'm committed now because my 6320's clock is ticking now.
I'd say it is a question of interface. Not that I had direct personal
experience comparing the speed of Ethernet (is it 10bT or 100bT?
Probably the former, as you are likely to use something like a Global
Village PCMCIA card like the Ethernet/Modem combo I used to have in the
190) with FireWire, but my guess based on what I see in my family's Mac
zoo ranging from Plus to most recent iBook running Tiger is FireWire
400 would win it hands-down against 10bT Ethernet. More informed souls
as me may have done the calculations and mailed them already, but I'm
in digest mode, so excuse me if they did. So probably, if speed alone
counts, FireWire is the answer.
But did you ever think about Target Disk Mode (ex-SCSI disk mode) to
mount the 190 on the 6320's desktop, or the eMac's, respectively? I
used this feature a lot with my PowerBooks 100, not with the 190
because the ethernet connection via 10bT hub worked perfectly with all
my other machines, but started using it again with an iBook dual USB to
overcome some problems between machines using OS X ond others using
anything between 7.1 and 9.2.2. You have to restart the 'book while
holding TD pressed, IIRC. You are probably using 10.3.x on the eMac
1,25 GHz; the dwindling support for AppleTalk under the various
flavours of OS X doesn't make things easier. TDM would allow you to
keep your 190 intact (what I would look upon as an excellent option
with a 30 gig drive; I remember how glad I was having substituted a 2
GB Toshiba to the original 500MB!) and keep up reasonable speed
compared to the (for an 040 environment) ridiculously slow serial
AppleTalk. The 190 would make a premium backup machine with the
portability added. 30 gig is a lot of storage if you aren't into video.
"SCSI" disk mode sounds strange for a PowerBook using an IDE internal,
but I feel the HDI-30 SCSI connector at the rear of the 'book and the
right cable and pass-through terminator are more important for the
transfer than the physical nature of the internal interface and HD.
Again, I haven't tried it, but I think it's worth a shot. YMMV.
HTH, OM
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